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Ginkgo biloba za intermitentne klaudikacije

Appendices

Appendix 1. 2013 CENTRAL search strategy

#1

MeSH descriptor: [Arteriosclerosis] this term only

893

#2

MeSH descriptor: [Arteriolosclerosis] this term only

0

#3

MeSH descriptor: [Arteriosclerosis Obliterans] this term only

71

#4

MeSH descriptor: [Atherosclerosis] this term only

382

#5

MeSH descriptor: [Arterial Occlusive Diseases] this term only

755

#6

MeSH descriptor: [Intermittent Claudication] this term only

711

#7

MeSH descriptor: [Ischemia] this term only

753

#8

MeSH descriptor: [Peripheral Vascular Diseases] explode all trees

2150

#9

MeSH descriptor: [Vascular Diseases] this term only

381

#10

(atherosclero* or arteriosclero* or PVD or PAOD or PAD) 

17195

#11

(arter*) near (*occlus* or steno* or obstuct* or lesio* or block* or obliter*) 

4872

#12

(vascular) near (*occlus* or steno* or obstuct* or lesio* or block* or obliter*) 

1378

#13

(vein*) near (*occlus* or steno* or obstuct* or lesio* or block* or obliter*) 

713

#14

(veno*) near (*occlus* or steno* or obstuct* or lesio* or block* or obliter*) 

976

#15

(peripher*) near (*occlus* or steno* or obstuct* or lesio* or block* or obliter*) 

1358

#16

peripheral near/3 dis* 

3243

#17

arteriopathic 

10

#18

(claudic* or hinken*) 

1436

#19

(isch* or CLI) 

16827

#20

dysvascular* 

14

#21

leg near/4 (obstruct* or occlus* or steno* or block* or obliter*) 

176

#22

limb near/4 (obstruct* or occlus* or steno* or block* or obliter*) 

228

#23

(lower near/3 extrem*) near/4 (obstruct* or occlus* or steno* or block* or obliter*) 

137

#24

(aort* or iliac or femoral or popliteal or femoropop* or fempop* or crural) near/3 (obstruct* or occlus*) 

322

#25

#1 or #2 or #3 or #4 or #5 or #6 or #7 or #8 or #9 or #10 or #11 or #12 or #13 or #14 or #15 or #16 or #17 or #18 or #19 or #20 or #21 or #22 or #23 or #24 

39158

#26

MeSH descriptor: [Ginkgo biloba] this term only

231

#27

(ginkgo* or gingko* or gingkco* or ginko* or gingho or gincosan):ti,ab,kw 

654

#28

(bilobalid* or tebonin* or kaveri* or tanakan or tanakene or tebokan or rokan or supergin* or (li next 1370)):ti,ab,kw 

57

#29

(EGB761 or "EGB 761" or EGB‐761):ti,ab,kw 

134

#30

#26 or #27 or #28 or #29 

670

#31

#25 and #30 in Trials

90

Appendix 2. Search strategy used by authors to search MEDLINE and EMBASE

#1 Peripheral arterial disease
#2 Peripheral arterial occlusive disease
#3 PAD
#4 Intermittent claudication
#5 (#1 OR #2 OR #3 OR #4)
#6 Ginkgo biloba
#7 Egb 761
#8 Tavonin
#9 Tebonin
#10 Rokan
#11 (#6 OR #7 OR #8 OR #9 OR #10)
#12 (#5 AND #11)

Methodological quality summary: review authors' judgments about each methodological quality item for each included study.
Figuras y tablas -
Figure 1

Methodological quality summary: review authors' judgments about each methodological quality item for each included study.

Methodological quality graph: review authors' judgments about each methodological quality item presented as percentages across all included studies.
Figuras y tablas -
Figure 2

Methodological quality graph: review authors' judgments about each methodological quality item presented as percentages across all included studies.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.1 Absolute claudication distance (expressed as kilocalories) at the end of the study.
Figuras y tablas -
Figure 3

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.1 Absolute claudication distance (expressed as kilocalories) at the end of the study.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.2 Absolute claudication distance (expressed as kilocalories) after 24 weeks.
Figuras y tablas -
Figure 4

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.2 Absolute claudication distance (expressed as kilocalories) after 24 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.3 Absolute claudication distance (expressed as kilocalories) after 12 to 16 weeks.
Figuras y tablas -
Figure 5

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.3 Absolute claudication distance (expressed as kilocalories) after 12 to 16 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.4 Absolute claudication distance (expressed as kilocalories) after 6 to 8 weeks.
Figuras y tablas -
Figure 6

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.4 Absolute claudication distance (expressed as kilocalories) after 6 to 8 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.5 Initial claudication distance (expressed as kilocalories) at the end of the study.
Figuras y tablas -
Figure 7

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.5 Initial claudication distance (expressed as kilocalories) at the end of the study.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.6 Initial claudication distance (expressed as kilocalories) after 24 weeks.
Figuras y tablas -
Figure 8

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.6 Initial claudication distance (expressed as kilocalories) after 24 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.7 Initial claudication distance (expressed as kilocalories) after 12 to 16 weeks.
Figuras y tablas -
Figure 9

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.7 Initial claudication distance (expressed as kilocalories) after 12 to 16 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.8 Initial claudication distance (expresses as kilocalories) after 6 to 8 weeks.
Figuras y tablas -
Figure 10

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.8 Initial claudication distance (expresses as kilocalories) after 6 to 8 weeks.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.9 Ankle brachial index and ankle pressure at the end of study.
Figuras y tablas -
Figure 11

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.9 Ankle brachial index and ankle pressure at the end of study.

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.10 Quality of life (expressed as a Visual Analogue Scale for complaints).
Figuras y tablas -
Figure 12

Forest plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.10 Quality of life (expressed as a Visual Analogue Scale for complaints).

Funnel plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.1 Absolute claudication distance (expressed as kilocalories) at the end of the study. On the horizontal axis the effect estimate of Ginkgo biloba versus placebo on the absolute claudication distance at the end of the study is presented as the mean difference. The vertical axis presents the standard error of the intervention effect on a reversed scale.
Figuras y tablas -
Figure 13

Funnel plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.1 Absolute claudication distance (expressed as kilocalories) at the end of the study. On the horizontal axis the effect estimate of Ginkgo biloba versus placebo on the absolute claudication distance at the end of the study is presented as the mean difference. The vertical axis presents the standard error of the intervention effect on a reversed scale.

Funnel plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.2 Absolute claudication distance (expressed as kilocalories) after 24 weeks. On the horizontal axis the effect estimate of Ginkgo biloba versus placebo on the absolute claudication distance after 24 weeks is presented as the mean difference. The vertical axis presents the standard error of the intervention effect on a reversed scale.
Figuras y tablas -
Figure 14

Funnel plot of comparison: 1 Ginkgo biloba versus placebo, outcome: 1.2 Absolute claudication distance (expressed as kilocalories) after 24 weeks. On the horizontal axis the effect estimate of Ginkgo biloba versus placebo on the absolute claudication distance after 24 weeks is presented as the mean difference. The vertical axis presents the standard error of the intervention effect on a reversed scale.

Comparison 1 Ginkgo biloba versus placebo, Outcome 1 Absolute claudication distance (expressed as kilocalories) at the end of the study.
Figuras y tablas -
Analysis 1.1

Comparison 1 Ginkgo biloba versus placebo, Outcome 1 Absolute claudication distance (expressed as kilocalories) at the end of the study.

Comparison 1 Ginkgo biloba versus placebo, Outcome 2 Absolute claudication distance (expressed as kilocalories) after 24 weeks.
Figuras y tablas -
Analysis 1.2

Comparison 1 Ginkgo biloba versus placebo, Outcome 2 Absolute claudication distance (expressed as kilocalories) after 24 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 3 Absolute claudication distance (expressed as kilocalories) after 12 to 16 weeks.
Figuras y tablas -
Analysis 1.3

Comparison 1 Ginkgo biloba versus placebo, Outcome 3 Absolute claudication distance (expressed as kilocalories) after 12 to 16 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 4 Absolute claudication distance (expressed as kilocalories) after 6 to 8 weeks.
Figuras y tablas -
Analysis 1.4

Comparison 1 Ginkgo biloba versus placebo, Outcome 4 Absolute claudication distance (expressed as kilocalories) after 6 to 8 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 5 Initial claudication distance (expressed as kilocalories) at the end of the study.
Figuras y tablas -
Analysis 1.5

Comparison 1 Ginkgo biloba versus placebo, Outcome 5 Initial claudication distance (expressed as kilocalories) at the end of the study.

Comparison 1 Ginkgo biloba versus placebo, Outcome 6 Initial claudication distance (expressed as kilocalories) after 24 weeks.
Figuras y tablas -
Analysis 1.6

Comparison 1 Ginkgo biloba versus placebo, Outcome 6 Initial claudication distance (expressed as kilocalories) after 24 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 7 Initial claudication distance (expressed as kilocalories) after 12 to 16 weeks.
Figuras y tablas -
Analysis 1.7

Comparison 1 Ginkgo biloba versus placebo, Outcome 7 Initial claudication distance (expressed as kilocalories) after 12 to 16 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 8 Initial claudication distance (expresses as kilocalories) after 6 to 8 weeks.
Figuras y tablas -
Analysis 1.8

Comparison 1 Ginkgo biloba versus placebo, Outcome 8 Initial claudication distance (expresses as kilocalories) after 6 to 8 weeks.

Comparison 1 Ginkgo biloba versus placebo, Outcome 9 Ankle brachial index and ankle pressure at the end of study.
Figuras y tablas -
Analysis 1.9

Comparison 1 Ginkgo biloba versus placebo, Outcome 9 Ankle brachial index and ankle pressure at the end of study.

Comparison 1 Ginkgo biloba versus placebo, Outcome 10 Quality of life (expressed as a Visual Analoque Scale for complaints).
Figuras y tablas -
Analysis 1.10

Comparison 1 Ginkgo biloba versus placebo, Outcome 10 Quality of life (expressed as a Visual Analoque Scale for complaints).

Comparison 1. Ginkgo biloba versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Absolute claudication distance (expressed as kilocalories) at the end of the study Show forest plot

11

477

Mean Difference (IV, Random, 95% CI)

3.57 [‐0.10, 7.23]

2 Absolute claudication distance (expressed as kilocalories) after 24 weeks Show forest plot

6

321

Mean Difference (IV, Random, 95% CI)

4.72 [2.27, 7.16]

3 Absolute claudication distance (expressed as kilocalories) after 12 to 16 weeks Show forest plot

8

339

Mean Difference (IV, Random, 95% CI)

1.36 [‐2.63, 5.36]

4 Absolute claudication distance (expressed as kilocalories) after 6 to 8 weeks Show forest plot

5

236

Mean Difference (IV, Random, 95% CI)

2.19 [‐0.62, 4.99]

5 Initial claudication distance (expressed as kilocalories) at the end of the study Show forest plot

13

723

Mean Difference (IV, Random, 95% CI)

1.84 [‐0.92, 4.61]

6 Initial claudication distance (expressed as kilocalories) after 24 weeks Show forest plot

8

564

Mean Difference (IV, Random, 95% CI)

2.15 [‐2.06, 6.36]

7 Initial claudication distance (expressed as kilocalories) after 12 to 16 weeks Show forest plot

9

441

Mean Difference (IV, Random, 95% CI)

1.54 [‐0.04, 3.12]

8 Initial claudication distance (expresses as kilocalories) after 6 to 8 weeks Show forest plot

6

335

Mean Difference (IV, Random, 95% CI)

2.72 [0.75, 4.69]

9 Ankle brachial index and ankle pressure at the end of study Show forest plot

6

274

Std. Mean Difference (IV, Random, 95% CI)

‐0.22 [‐0.58, 0.15]

10 Quality of life (expressed as a Visual Analoque Scale for complaints) Show forest plot

5

208

Std. Mean Difference (IV, Random, 95% CI)

0.38 [‐0.94, 1.70]

Figuras y tablas -
Comparison 1. Ginkgo biloba versus placebo