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Appendices

Appendix 1. Cochrane Gynaecology and Fertility specialised register

PROCITE platform

From inception until 12.04.16

Keywords CONTAINS "*Vaginitis" or "vaginosis symptoms" or "vaginosis" or "vaginal atrophy" or "vaginal dryness" or "vaginal lubrication" or "vaginal symptoms" or "atrophic vaginitis" or "atrophy" or "dyspareunia" or "uro‐genital symptoms" or "urogenital atrophy" or "urogenital symptoms" or "Vulvar Atrophy" or "vulvo‐vaginal symptoms" or "vulvodynia" or "Vulvovaginal atrophy" or Title CONTAINS "*Vaginitis" or "vaginosis symptoms" or "vaginosis" or "vaginal atrophy" or "vaginal dryness" or "vaginal lubrication" or "vaginal symptoms" or "atrophic vaginitis" or "atrophy" or "dyspareunia" or "uro‐genital symptoms" or "urogenital atrophy" or "urogenital symptoms" or "vulvo‐vaginal symptoms" or "vulvodynia" or "Vulvovaginal atrophy "

AND

Keywords CONTAINS "vaginal capsules" or "vaginal estradiol" or "vaginal gel" or "vaginal pessary" or "vaginal tablet" or "vaginal tablets" or "vaginal ring" or "low dose estradiol" or "oestrodiol" or "oestrogen" or "estradiol" or "estradiol cream" or "Estriol‐" or "estrogen" or "*Estrogens" or "estrogen therapy" or "17‐beta estradiol" or "intravaginal estradiol tablets" or "intravaginal" or Title CONTAINS "vaginal capsules" or "vaginal estradiol" or "vaginal gel" or "vaginal pessary" or "vaginal tablet" or "vaginal tablets" or "vaginal ring" or "low dose estradiol" or "oestrodiol" or "oestrogen" or "estradiol" or "estradiol cream" or "Estriol‐" or "estrogen" or "*Estrogens" or "estrogen therapy" or "17‐beta estradiol" or "intravaginal estradiol tablets" or "intravaginal"

Appendix 2. CENTRAL search strategy

CRSO web platform

From inception until 12.04.16

#1MESH DESCRIPTOR Atrophic Vaginitis EXPLODE ALL TREES (2)
#2MESH DESCRIPTOR Dyspareunia EXPLODE TREES (294)
#3MESH DESCRIPTOR Vaginitis EXPLODE ALL TREES (676)
#4pruritis:TI,AB,KY (150)
#5((vagin* adj2 dry*)):TI,AB,KY (232)
#6(urogenital atroph* or urogenital symptom*):TI,AB,KY (79)
#7(menopaus* adj2 symptom*):TI,AB,KY (745)
#8(postmenopaus* adj2 symptom*):TI,AB,KY (139)
#9Dyspareuni*:TI,AB,KY (442)
#10(urogenital ageing):TI,AB,KY (2)
#11(urogenital disorder*):TI,AB,KY (8)
#12#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 (2220)
#13MESH DESCRIPTOR Estrogens EXPLODE ALL TREES (6147)
#14((*vagina* adj3 administ*)):TI,AB,KY (1464)
#15MESH DESCRIPTOR Vaginal Creams, Foams, and Jellies EXPLODE ALL TREES (302)
#16((*vagin* adj2 cream*)):TI,AB,KY (442)
#17(vaginal ring*):TI,AB,KY (158)
#18(vagina* pessar*):TI,AB,KY (161)
#19(vagina* tablet*):TI,AB,KY (220)
#20vagitories:TI,AB,KY (6)
#21(vagina* gel*):TI,AB,KY (197)
#22(vagina* capsule*):TI,AB,KY (25)
#23ovule*:TI,AB,KY (66)
#24(oestradiol or oestrogen):TI,AB,KY (1845)
#25oestrogenic:TI,AB,KY (80)
#26estradiol:TI,AB,KY (6910)
#2717B‐estradiol:TI,AB,KY (18)
#28((oestriol or estriol)):TI,AB,KY (350)
#29((dienoestrol or replens)):TI,AB,KY (14)
#30#13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26 OR #27 OR #28 OR #29 (11557)
#31#12 AND #30 (860)

Appendix 3. MEDLINE search strategy

Database: Ovid MEDLINE(R) In‐Process & Other Non‐Indexed Citations, Ovid MEDLINE(R) Daily and Ovid MEDLINE(R)

OVID platform

From inception until 12.04.16

1 Vaginitis/ (3265)

2 ($vagin$ adj2 atroph$).tw. (619)

3 Sexual Dysfunction, Physiological/ or Dyspareunia/ or vaginism.tw. (9388)

4 pruritis.tw. or Pruritus/ (9794)

5 ($vagin$ adj2 dry$).tw. (789)

6 (urogenital atrophy or urogenital symptom$).tw. (397)

7 (menopaus$ adj2 symptom$).tw. (3660)

8 (postmenopaus$ adj2 symptom$).tw. (697)

9 Dyspareuni$.tw. (2895)

10 urogenital ageing.tw. (11)

11 urogenital disorder$.tw. (96)

12 or/1‐11 (29104)

13 estrogen.tw. or exp Estrogens/ (202231)

14 ($vagina$ adj3 administ$).tw. (1361)

15 "Vaginal Creams, Foams and Jellies"/ (1104)

16 (vagin$ adj2 cream$).tw. (330)

17 vaginal ring$.tw. (730)

18 vaginal pessar$.tw. (309)

19 vagina$ tablet$.tw. (362)

20 vagitories.tw. (11)

21 vagina$ gel$.tw. (372)

22 vagina$ capsule$.tw. (30)

23 ovule$.tw. (2038)

24 (oestradiol or oestrogen).tw. (24894)

25 oestrogenic.tw. (1620)

26 estradiol.tw. (71063)

27 17B‐estradiol.tw. (54)

28 (oestriol or estriol).tw. (4948)

29 (dienoestrol or replens).tw. (77)

30 or/13‐29 (233413)

31 randomized controlled trial.pt. (413263)

32 controlled clinical trial.pt. (90520)

33 randomized.ab. (343103)

34 placebo.tw. (173470)

35 clinical trials as topic.sh. (176075)

36 randomly.ab. (246887)

37 trial.ti. (149165)

38 (crossover or cross‐over or cross over).tw. (66938)

39 or/31‐38 (1033187)

40 exp animals/ not humans.sh. (4224815)

41 39 not 40 (950151)

42 12 and 30 and 41 (1095)

Appendix 4. Embase search strategy

OVID platform

From inception until 12.04.16

1 exp Vaginitis/ (12609)

2 ($vagin$ adj2 atroph$).tw. (983)

3 exp female sexual dysfunction/ (10020)

4 vaginism.tw. (42)

5 pruritis.tw. (1600)

6 exp female genital pruritus/ (37)

7 ($vagin$ adj2 dry$).tw. (1296)

8 (urogenital atrophy or urogenital symptom$).tw. (587)

9 (menopaus$ adj1 symptom$).tw. (4400)

10 (postmenopaus$ adj2 symptom$).tw. (932)

11 Dyspareuni$.tw. (5064)

12 urogenital ageing.tw. (20)

13 urogenital disorder$.tw. (143)

14 or/1‐13 (31094)

15 ($vagina$ adj3 administ$).tw. (1582)

16 vaginal cream$.tw. (327)

17 vaginal ring$.tw. (983)

18 vagina$ pessar$.tw. (425)

19 vagina$ tablet$.tw. (501)

20 vagina$ capsule$.tw. (49)

21 (oestradiol or oestrogen).tw. (25871)

22 estradiol.tw. (77487)

23 oestrogenic.tw. (1656)

24 17B‐estradiol.tw. (392)

25 (oestriol or estriol).tw. (4663)

26 (dienoestrol or replens).tw. (183)

27 exp estrogen/ (230358)

28 estrogen$.tw. (137342)

29 vagitories.tw. (10)

30 ovule$.tw. (1865)

31 vagina$ gel$.tw. (519)

32 or/15‐31 (305624)

33 Clinical Trial/ (855936)

34 Randomized Controlled Trial/ (397801)

35 exp randomization/ (70046)

36 Single Blind Procedure/ (21855)

37 Double Blind Procedure/ (127422)

38 Crossover Procedure/ (46656)

39 Placebo/ (272777)

40 Randomi?ed controlled trial$.tw. (132820)

41 Rct.tw. (19837)

42 random allocation.tw. (1502)

43 randomly allocated.tw. (24326)

44 allocated randomly.tw. (2097)

45 (allocated adj2 random).tw. (750)

46 Single blind$.tw. (17141)

47 Double blind$.tw. (160313)

48 ((treble or triple) adj blind$).tw. (535)

49 placebo$.tw. (229991)

50 prospective study/ (328346)

51 or/33‐50 (1556516)

52 case study/ (37152)

53 case report.tw. (302831)

54 abstract report/ or letter/ (955011)

55 or/52‐54 (1288092)

56 51 not 55 (1515756)

57 14 and 32 and 56 (2651)

Appendix 5. PsycINFO search strategy

OVID platform

From inception until 12.04.16

1 vaginitis.tw. (41)
2 (vagina$ adj2 atroph$).tw. (38)
3 pruritis.tw. (40)
4 (vagina$ adj3 dry$).tw. (125)
5 (urogenital atrophy or urogenital symptom$).tw. (16)
6 (menopaus$ adj1 symptom$).tw. (531)
7 (postmenopaus$ adj1 symptom$).tw. (31)
8 exp Sexual Function Disturbances/ or exp Dyspareunia/ (7800)
9 exp Pruritus/ (196)
10 Sexual Dysfunction.tw. (4376)
11 Dyspareunia.tw. (471)
12 Pruritus.tw. (254)
13 or/1‐12 (10331)
14 exp Estrogens/ (5390)
15 (intravaginal$ adj3 administ$).tw. (7)
16 vaginal cream$.tw. (6)
17 vaginal ring$.tw. (37)
18 (vagina$ adj3 pessar$).tw. (4)
19 (vagina$ adj2 tablet$).tw. (5)
20 vagina$ capsule$.tw. (1)
21 (oestradiol or oestrogen).tw. (796)
22 oestrogenic.tw. (33)
23 17B‐estradiol.tw. (19)
24 oestriol.tw. (3)
25 estrogen$.tw. (6421)
26 (dienoestrol or replens).tw. (2)
27 or/14‐26 (8562)
28 13 and 27 (284)
29 random.tw. (42844)
30 control.tw. (332835)
31 double‐blind.tw. (18599)
32 clinical trials/ (8391)
33 placebo/ (3991)
34 exp Treatment/ (606250)
35 or/29‐34 (929103)
36 28 and 35 (188)

Appendix 6. Data extraction and eligibility form

Data extraction and eligibility form for JS157

Reviewers: see notes in italics before relevant sections

Review ID

Date form completed

Review title

Review author name / ID

Co‐reviewer name / ID

If any other references are found to the same trial, code first paper as A; code any further papers found as B, C, etc.; link any found for listing in RevMan

Study identifier: Davar 2012

Author:

Year of publication:

Title

Contact author details:

Eligibility

RCT

[ ] yes

[ ] no

[ ] unclear

Describe:

Relevant participants

[ ] yes x

[ ] no

[ ] unclear

Describe:

Relevant interventions

[ ] yes x

[ ] no

[ ] unclear

Describe:

Relevant outcome measures

[ ] yes

[ ] no X

[ ] unclear

Describe:

INCLUDE IN REVIEW?

[ ] yes
[ ] no X

If no, give reason:

Notes:

Characteristics of included studies

Participants

Diagnostic criteria (definition of eligibility)

Inclusion criteria:

Exclusion criteria:

Group A

Group B

Number of participants at randomisation

Number analysed at outcome

Withdrawals/Exclusions

Age (mean, SD)

Setting e.g. fertility clinic

Country

Interventions

Describe these including mode of delivery, route, doses, timing. Quote from paper if possible

Group A

Group B

Intervention

Standard treatment

Treatment length

Follow up length

Loss to follow up

Other info regarding treatment

Quality assessment

Refer to Cochrane Handbook for Systematic Reviews of Interventions, table 8.5a

Selection bias

Random sequence generation

[ ] low risk

[ ] high risk

[ ] unclear risk

more information required

Describe:

Allocation sequence concealment

[ ] low risk

[ ] high risk

[ ] unclear risk

→ more information required

Describe:

Performance bias

Blinding of participants and personnel

[ ] low risk

[ ] high risk

[ ] unclear risk

→ more information required

Describe:

Detection bias

Blinding of outcome assessment

(patient‐reported outcomes)

[ ] low risk

[ ] high risk

[ ] unclear risk

→ more information required

Describe:

Attrition bias

Due to amount, nature or handling of incomplete outcome data

[ ] low risk

[ ] high risk

[ ] unclear risk

more information required

Describe:

Reporting bias

Selective reporting:
check methods against reported outcomes

[ ] low risk

[ ] high risk

[ ] unclear risk

→ more information required

Describe:

Other sources of bias

Sources of bias such as differences in demographic characteristics

[ ] low risk

[ ] high risk

[ ] unclear risk

→ more information required

Describe:

Is there anything not reported? If information is missing, record this, so that it is apparent that the information is missing, not just not extracted

Incomplete outcome data

Description of outcomes (per woman randomised)

Indicate the reported outcomes and describe as appropriate

Describe:

Describe:

Describe:

Describe:

Describe:

Results

Record summary data for each intervention group (e.g. 2×2 table for dichotomous data; means and SDs for continuous data).

Participants

(number allocated and completed)

No. in treatment group:

No. in control group:

Dichotomous outcomes

No of events

No of participants

No of events

No of participants

Continuous outcomes

Mean, SD

No of participants

Mean; SD

No of participants

Note any other results reported but not listed as outcome measures:

Miscellaneous

Funding source stated

Ethical approval obtained

Written consents obtained from participants

Key conclusions of the study authors.

Miscellaneous comments from the study authors.

References to other relevant studies.

Correspondence required.

Miscellaneous comments by the review authors.

Study flow diagram
Figuras y tablas -
Figure 1

Study flow diagram

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies
Figuras y tablas -
Figure 2

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies

Risk of bias summary: review authors' judgements about each risk of bias item for each included study
Figuras y tablas -
Figure 3

Risk of bias summary: review authors' judgements about each risk of bias item for each included study

Forest plot of comparison: 1 Oestrogen ring versus placebo or other regimens, outcome: 1.1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Figure 4

Forest plot of comparison: 1 Oestrogen ring versus placebo or other regimens, outcome: 1.1 Improvement in symptoms (participant‐assessed at end point).

Forest plot of comparison: 2 Oestrogen tablets versus placebo or other regimens, outcome: 2.1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Figure 5

Forest plot of comparison: 2 Oestrogen tablets versus placebo or other regimens, outcome: 2.1 Improvement in symptoms (participant‐assessed at end point).

Forest plot of comparison: 3 Oestrogen cream versus placebo or other regimens, outcome: 3.1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Figure 6

Forest plot of comparison: 3 Oestrogen cream versus placebo or other regimens, outcome: 3.1 Improvement in symptoms (participant‐assessed at end point).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Analysis 1.1

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 2 Endometrial thickness.
Figuras y tablas -
Analysis 1.2

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 2 Endometrial thickness.

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).
Figuras y tablas -
Analysis 1.3

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).
Figuras y tablas -
Analysis 1.4

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).
Figuras y tablas -
Analysis 1.5

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 6 Adverse events (breast disorders).
Figuras y tablas -
Analysis 1.6

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 6 Adverse events (breast disorders).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).
Figuras y tablas -
Analysis 1.7

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 8 Adherence to treatment.
Figuras y tablas -
Analysis 1.8

Comparison 1 Oestrogen ring versus placebo or other regimens, Outcome 8 Adherence to treatment.

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Analysis 2.1

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 2 Endometrial thickness.
Figuras y tablas -
Analysis 2.2

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 2 Endometrial thickness.

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).
Figuras y tablas -
Analysis 2.3

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).
Figuras y tablas -
Analysis 2.4

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).
Figuras y tablas -
Analysis 2.5

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 6 Adverse events (breast disorders).
Figuras y tablas -
Analysis 2.6

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 6 Adverse events (breast disorders).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).
Figuras y tablas -
Analysis 2.7

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 8 Adherence to treatment.
Figuras y tablas -
Analysis 2.8

Comparison 2 Oestrogen tablets versus placebo or other regimens, Outcome 8 Adherence to treatment.

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).
Figuras y tablas -
Analysis 3.1

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 1 Improvement in symptoms (participant‐assessed at end point).

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).
Figuras y tablas -
Analysis 3.3

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 3 Improvement in symptoms (clinician‐assessed at end point).

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).
Figuras y tablas -
Analysis 3.4

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 4 Improvement in symptoms (decrease in vaginal pH at end point).

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).
Figuras y tablas -
Analysis 3.5

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 5 Improvement in symptoms (increase in maturation indices at end point).

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).
Figuras y tablas -
Analysis 3.7

Comparison 3 Oestrogen cream versus placebo or other regimens, Outcome 7 Adverse events (total adverse events).

Summary of findings for the main comparison. Oestrogen ring compared to other regimens for vaginal atrophy in postmenopausal women

Oestrogen ring compared to other regimens for vaginal atrophy in postmenopausal women

Patient or population: postmenopausal women with vaginal atrophy
Settings: outpatient clinic
Intervention: oestrogen ring
Comparison: other regimen

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

Other regimen

Oestrogen ring

Improvement in symptoms (participant‐assessed) (oestrogen ring vs oestrogen cream)

717 per 1000

771 per 1000
(670 to 847)

OR 1.33
(0.80 to 2.19)

341
( 2studies)

⊕⊕⊝⊝
low1,2

Improvement in symptoms (participant‐assessed) (oestrogen ring vs oestrogen tablets)

582 per 1000

521 per 1000
(425 to 616)

OR 0.78
(0.53 to 1.15)

567
(3 studies)

⊕⊕⊝⊝
low1,2

Endometrial thickness (oestrogen ring vs oestrogen cream)

117 per 1000

46 per 1000
(18 to 111)

OR 0.36
(0.14 to 0.94)

273
(2 studies)

⊕⊕⊝⊝
low1,3

Improvement in symptoms (clinician‐assessed) (oestrogen ring vs oestrogen cream)

706 per 1000

714 per 1000
(627 to 786)

OR 1.04
(0.70 to 1.53)

533
(3 studies)

⊕⊕⊝⊝
low1,2

Improvement in symptoms (clinician‐assessed) (oestrogen ring vs oestrogen tablets)

636 per 1000

717 per 1000
(611 to 802)

OR 1.45
(0.90 to 2.32)

397
(2 studies)

⊕⊕⊝⊝
low1,2

Adverse events (total adverse events) (oestrogen ring vs oestrogen cream)

364 per 1000

335 per 1000
(212 to 483)

OR 0.88
(0.47 to 1.63)

192
(1 study)

⊕⊕⊝⊝
low2,3

Adverse events (total adverse events) (oestrogen ring vs placebo)

444 per 1000

264 per 1000
(81 to 587)

OR 0.45
(0.11 to 1.78)

37
(1 study)

⊕⊕⊕⊝
moderate3

*The basis for the assumed risk is the median control group risk across studies. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; OR: Odds ratio;

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Downgraded by 1 level as most risk of bias domains were rated either as unclear or high
2 Downgraded by 1 level due to effect estimate with wide confidence interval
3 Downgraded by 1 level due to small sample size

Figuras y tablas -
Summary of findings for the main comparison. Oestrogen ring compared to other regimens for vaginal atrophy in postmenopausal women
Summary of findings 2. Oestrogen tablets compared to other regimens for vaginal atrophy in postmenopausal women

Oestrogen tablets compared to other regimens for vaginal atrophy in postmenopausal women

Patient or population: postmenopausal women with vaginal atrophy
Settings: outpatient clinic
Intervention: oestrogen tablets
Comparison: other regimen

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

Other regimen

Oestrogen tablets

Improvement in symptoms (participant‐assessed) (oestrogen tablets vs oestrogen cream)

683 per 1000

695 per 1000
(542 to 812)

OR 1.06
(0.55 to 2.01)

208
(2 studies)

⊕⊕⊝⊝
low2,3

Improvement in symptoms (participant‐assessed) (oestrogen tablets vs placebo)

294 per 1000

839 per 1000
(803 to 868)

OR 12.47
(9.81 to 15.84)

1638
(2 studies)

⊕⊕⊝⊝
low1,4

Using a random effects model, there was no evidence of a difference in effect:

OR 5.80, 95% CI 0.88 to 38.29

Endometrial thickness (oestrogen tablets vs oestrogen cream)

80 per 1000

26 per 1000
(5 to 122)

OR 0.31
(0.06 to 1.60)

151
(2 studies)

⊕⊕⊝⊝
low2,3

Improvement in symptoms (clinician‐assessed) (oestrogen tablets vs oestrogen cream)

697 per 1000

699 per 1000
(612 to 774)

OR 1.03
(0.70 to 1.52)

528
(3 studies)

⊕⊕⊝⊝
low1,3

Improvement in symptoms (clinician‐assessed) (oestrogen tablets vs placebo)

262 per 1000

820 per 1000
(787 to 849)

OR 12.85
(10.39 to 15.89)

2078
(4 studies)

⊕⊕⊝⊝
low1,5

Adverse events (total adverse events) (oestrogen tablets vs placebo)

19 per 1000

24 per 1000
(5 to 115)

OR 1.27
(0.24 to 6.69)

309
(1 study)

⊕⊕⊕⊝
moderate3

*The basis for the assumed risk is the median control group risk across studies. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; OR: Odds ratio;

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Downgraded by 1 level as most risk of bias domains were assessed either as unclear or high
2 Downgraded by 1 level due to small sample size
3 Downgraded by 1 level due to effect estimate with wide confidence interval
4 Downgraded by 1 level due to substantial heterogeneity among studies (I2 = 83%)
5 Downgraded by 1 level due to substantial heterogeneity among studies (I2 = 90%)

Figuras y tablas -
Summary of findings 2. Oestrogen tablets compared to other regimens for vaginal atrophy in postmenopausal women
Summary of findings 3. Oestrogen cream compared to other regimens for vaginal atrophy in postmenopausal women

Oestrogen cream compared to other regimens for vaginal atrophy in postmenopausal women

Patient or population: postmenopausal women with vaginal atrophy
Settings: outpatient clinic
Intervention: oestrogen cream
Comparison: other regimen

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

Other regimen

Oestrogen cream

Improvement in symptoms (participant‐assessed) (oestrogen cream vs isoflavone gel)

967 per 1000

984 per 1000
(701 to 999)

OR 2.08
(0.08 to 53.76)

50
(1 study)

⊕⊕⊝⊝
low2,3

Improvement in symptoms (participant‐assessed) oestrogen cream vs placebo)

685 per 1000

899 per 1000
(803 to 951)

OR 4.10
(1.88 to 8.93)

198
(2 studies)

⊕⊕⊝⊝
low1,2

Endometrial thickness

not reported

Not estimable

Improvement in symptoms (clinician‐assessed) (oestrogen cream vs placebo)

646 per 1000

857 per 1000
(728 to 931)

OR 3.29
(1.47 to 7.36)

153
(1 study)

⊕⊕⊝⊝
low1,2

Adverse events (total adverse events) (oestrogen cream vs non‐hormonal lubricant gel)

OR 10.67
(0.54 to 209.64)

50
(1 study)

⊕⊕⊝⊝
low2,3

*The basis for the assumed risk is the median control group risk across studies. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; OR: Odds ratio;

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Downgraded by 1 level as most risk of bias domains were assessed either as unclear or high
2 Downgraded by 1 level due to small sample size
3 Downgraded by 1 level due to effect estimate with wide confidence interval

Figuras y tablas -
Summary of findings 3. Oestrogen cream compared to other regimens for vaginal atrophy in postmenopausal women
Comparison 1. Oestrogen ring versus placebo or other regimens

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Improvement in symptoms (participant‐assessed at end point) Show forest plot

6

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.1 Oestrogen ring versus oestrogen cream

2

341

Odds Ratio (M‐H, Fixed, 95% CI)

1.33 [0.80, 2.19]

1.2 Oestrogen ring versus oestrogen tablets

3

567

Odds Ratio (M‐H, Fixed, 95% CI)

0.78 [0.53, 1.15]

1.3 Oestrogen ring versus placebo

1

67

Odds Ratio (M‐H, Fixed, 95% CI)

12.67 [3.23, 49.66]

2 Endometrial thickness Show forest plot

2

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

2.1 Oestrogen ring versus oestrogen cream

2

273

Odds Ratio (M‐H, Fixed, 95% CI)

0.36 [0.14, 0.94]

3 Improvement in symptoms (clinician‐assessed at end point) Show forest plot

6

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

3.1 Oestrogen ring versus oestrogen cream

3

533

Odds Ratio (M‐H, Fixed, 95% CI)

1.04 [0.70, 1.53]

3.2 Oestrogen ring versus oestrogen tablets

2

397

Odds Ratio (M‐H, Fixed, 95% CI)

1.45 [0.90, 2.32]

3.3 Oestrogen ring versus placebo

1

49

Odds Ratio (M‐H, Fixed, 95% CI)

2.0 [0.55, 7.31]

4 Improvement in symptoms (decrease in vaginal pH at end point) Show forest plot

3

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

4.1 Oestrogen ring versus oestrogen cream

1

165

Mean Difference (IV, Fixed, 95% CI)

0.10 [‐0.19, 0.39]

4.2 Oestrogen ring versus oestrogen tablets

1

146

Mean Difference (IV, Fixed, 95% CI)

‐0.20 [‐0.38, ‐0.02]

4.3 Oestrogen ring versus placebo

1

37

Mean Difference (IV, Fixed, 95% CI)

‐1.31 [‐1.82, ‐0.80]

5 Improvement in symptoms (increase in maturation indices at end point) Show forest plot

3

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

5.1 Oestrogen ring versus oestrogen cream

2

341

Mean Difference (IV, Fixed, 95% CI)

0.79 [‐1.52, 3.09]

5.2 Oestrogen ring (7.5 ug) versus placebo

0

0

Mean Difference (IV, Fixed, 95% CI)

0.0 [0.0, 0.0]

5.3 Oestrogen ring (100 ug) versus placebo

0

0

Mean Difference (IV, Fixed, 95% CI)

0.0 [0.0, 0.0]

5.4 Oestrogen ring (50 ug) versus placebo

0

0

Mean Difference (IV, Fixed, 95% CI)

0.0 [0.0, 0.0]

5.5 Oestrogen ring (unspecified dose) versus placebo

1

37

Mean Difference (IV, Fixed, 95% CI)

24.4 [15.25, 33.55]

6 Adverse events (breast disorders) Show forest plot

4

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

6.1 Oestrogen ring versus oestrogen cream

1

192

Odds Ratio (M‐H, Fixed, 95% CI)

0.12 [0.01, 1.13]

6.2 Oestrogen ring versus oestrogen tablets

3

587

Odds Ratio (M‐H, Fixed, 95% CI)

0.42 [0.12, 1.52]

7 Adverse events (total adverse events) Show forest plot

2

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

7.1 Oestrogen ring versus oestrogen cream

1

192

Odds Ratio (M‐H, Fixed, 95% CI)

0.88 [0.47, 1.63]

7.2 Oestrogen ring versus placebo

1

37

Odds Ratio (M‐H, Fixed, 95% CI)

0.45 [0.11, 1.78]

8 Adherence to treatment Show forest plot

3

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

8.1 Oestrogen ring versus oestrogen cream

2

350

Odds Ratio (M‐H, Fixed, 95% CI)

2.23 [1.31, 3.80]

8.2 Oestrogen ring versus oestrogen tablets

1

146

Odds Ratio (M‐H, Fixed, 95% CI)

1.69 [0.66, 4.31]

Figuras y tablas -
Comparison 1. Oestrogen ring versus placebo or other regimens
Comparison 2. Oestrogen tablets versus placebo or other regimens

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Improvement in symptoms (participant‐assessed at end point) Show forest plot

4

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.1 Oestrogen tablets versus oestrogen cream

2

208

Odds Ratio (M‐H, Fixed, 95% CI)

1.06 [0.55, 2.01]

1.2 Oestrogen tablets versus placebo

2

1638

Odds Ratio (M‐H, Fixed, 95% CI)

12.47 [9.81, 15.84]

2 Endometrial thickness Show forest plot

2

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

2.1 Oestrogen tablets versus oestrogen cream

2

151

Odds Ratio (M‐H, Fixed, 95% CI)

0.31 [0.06, 1.60]

3 Improvement in symptoms (clinician‐assessed at end point) Show forest plot

6

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

3.1 Oestrogen tablets versus oestrogen cream

3

528

Odds Ratio (M‐H, Fixed, 95% CI)

1.03 [0.70, 1.52]

3.2 Oestrogen tablets versus placebo

3

2078

Odds Ratio (M‐H, Fixed, 95% CI)

12.85 [10.39, 15.89]

4 Improvement in symptoms (decrease in vaginal pH at end point) Show forest plot

3

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

4.1 Oestrogen tablets versus oestrogen cream

1

48

Mean Difference (IV, Fixed, 95% CI)

0.20 [‐0.12, 0.52]

4.2 Oestrogen tablets versus placebo

2

524

Mean Difference (IV, Fixed, 95% CI)

‐0.95 [‐1.10, ‐0.80]

5 Improvement in symptoms (increase in maturation indices at end point) Show forest plot

2

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

5.1 Oestrogen tablets versus oestrogen cream

1

48

Mean Difference (IV, Fixed, 95% CI)

‐4.69 [‐13.58, 4.20]

5.2 Oestrogen tablets versus placebo

1

436

Mean Difference (IV, Fixed, 95% CI)

18.63 [14.57, 22.69]

6 Adverse events (breast disorders) Show forest plot

1

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

6.1 Oestradiol tablets versus oestriol tablets

1

96

Odds Ratio (M‐H, Fixed, 95% CI)

3.06 [0.12, 77.09]

7 Adverse events (total adverse events) Show forest plot

1

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

7.1 Oestrogen tablets versus placebo

1

309

Odds Ratio (M‐H, Fixed, 95% CI)

1.28 [0.24, 6.69]

8 Adherence to treatment Show forest plot

2

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

8.1 Oestrogen tablets versus oestrogen cream

1

53

Odds Ratio (M‐H, Fixed, 95% CI)

1.90 [0.41, 8.94]

8.2 Oestradiol tablets versus oestriol tablets

1

96

Odds Ratio (M‐H, Fixed, 95% CI)

2.69 [1.15, 6.31]

Figuras y tablas -
Comparison 2. Oestrogen tablets versus placebo or other regimens
Comparison 3. Oestrogen cream versus placebo or other regimens

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Improvement in symptoms (participant‐assessed at end point) Show forest plot

2

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.1 Oestrogen cream versus isoflavone gel

1

50

Odds Ratio (M‐H, Fixed, 95% CI)

2.08 [0.08, 53.76]

1.2 Oestrogen cream versus placebo

2

198

Odds Ratio (M‐H, Fixed, 95% CI)

4.10 [1.88, 8.93]

2 Endometrial thickness

0

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

3 Improvement in symptoms (clinician‐assessed at end point) Show forest plot

1

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

3.1 Oestrogen cream versus placebo

1

153

Odds Ratio (M‐H, Fixed, 95% CI)

3.29 [1.47, 7.36]

4 Improvement in symptoms (decrease in vaginal pH at end point) Show forest plot

4

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

4.1 Oestrogen cream versus non‐hormonal local bio adhesive vaginal moisturiser

2

62

Mean Difference (IV, Fixed, 95% CI)

‐0.36 [‐0.52, ‐0.21]

4.2 Oestrogen cream (21 days) versus placebo (21 days)

1

215

Mean Difference (IV, Fixed, 95% CI)

‐1.20 [‐1.47, ‐0.93]

4.3 Oestrogen cream (twice weekly) versus placebo (twice weekly)

1

208

Mean Difference (IV, Fixed, 95% CI)

‐1.30 [‐1.58, ‐1.02]

4.4 Oestriol gel (50 ug) versus placebo gel

1

153

Mean Difference (IV, Fixed, 95% CI)

‐0.8 [‐1.23, ‐0.37]

5 Improvement in symptoms (increase in maturation indices at end point) Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

5.1 Oestrogen cream versus placebo

1

153

Mean Difference (IV, Fixed, 95% CI)

23.7 [17.25, 30.15]

6 Adverse events (breast disorders)

0

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

7 Adverse events (total adverse events) Show forest plot

1

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

7.1 Oestrogen cream versus non hormonal lubricant gel

1

50

Odds Ratio (M‐H, Fixed, 95% CI)

10.67 [0.54, 209.64]

8 Adherence to treatment

0

Odds Ratio (M‐H, Fixed, 95% CI)

Subtotals only

Figuras y tablas -
Comparison 3. Oestrogen cream versus placebo or other regimens