Scolaris Content Display Scolaris Content Display

Comparison 1 Pain, Outcome 1 Pain score at day 1.
Figuras y tablas -
Analysis 1.1

Comparison 1 Pain, Outcome 1 Pain score at day 1.

Comparison 1 Pain, Outcome 2 Pain score at day 7.
Figuras y tablas -
Analysis 1.2

Comparison 1 Pain, Outcome 2 Pain score at day 7.

Comparison 1 Pain, Outcome 3 Pain score at day 14.
Figuras y tablas -
Analysis 1.3

Comparison 1 Pain, Outcome 3 Pain score at day 14.

Comparison 1 Pain, Outcome 4 Daily pain score first 7 days.
Figuras y tablas -
Analysis 1.4

Comparison 1 Pain, Outcome 4 Daily pain score first 7 days.

Comparison 1 Pain, Outcome 5 Pain score at first defecation.
Figuras y tablas -
Analysis 1.5

Comparison 1 Pain, Outcome 5 Pain score at first defecation.

Comparison 1 Pain, Outcome 6 Amount of pethidine (in mg) used.
Figuras y tablas -
Analysis 1.6

Comparison 1 Pain, Outcome 6 Amount of pethidine (in mg) used.

Comparison 1 Pain, Outcome 7 Amount of tramadol (in g) used / week.
Figuras y tablas -
Analysis 1.7

Comparison 1 Pain, Outcome 7 Amount of tramadol (in g) used / week.

Comparison 1 Pain, Outcome 8 Number of ketoprofen (50 mg) used / week.
Figuras y tablas -
Analysis 1.8

Comparison 1 Pain, Outcome 8 Number of ketoprofen (50 mg) used / week.

Comparison 1 Pain, Outcome 9 Number of dipyrone (250 mg) used.
Figuras y tablas -
Analysis 1.9

Comparison 1 Pain, Outcome 9 Number of dipyrone (250 mg) used.

Comparison 1 Pain, Outcome 10 Number of diclofenac (75 mg) used first 24 hours.
Figuras y tablas -
Analysis 1.10

Comparison 1 Pain, Outcome 10 Number of diclofenac (75 mg) used first 24 hours.

Comparison 1 Pain, Outcome 11 Number of patients using additional parenteral analgesics.
Figuras y tablas -
Analysis 1.11

Comparison 1 Pain, Outcome 11 Number of patients using additional parenteral analgesics.

Comparison 2 Procedure, Outcome 1 Operating time in minutes.
Figuras y tablas -
Analysis 2.1

Comparison 2 Procedure, Outcome 1 Operating time in minutes.

Comparison 2 Procedure, Outcome 2 Intraoperative blood loss in mililitres.
Figuras y tablas -
Analysis 2.2

Comparison 2 Procedure, Outcome 2 Intraoperative blood loss in mililitres.

Comparison 3 Complications, Outcome 1 Postoperative bleeding.
Figuras y tablas -
Analysis 3.1

Comparison 3 Complications, Outcome 1 Postoperative bleeding.

Comparison 3 Complications, Outcome 2 Urinary retention.
Figuras y tablas -
Analysis 3.2

Comparison 3 Complications, Outcome 2 Urinary retention.

Comparison 3 Complications, Outcome 3 Constipation.
Figuras y tablas -
Analysis 3.3

Comparison 3 Complications, Outcome 3 Constipation.

Comparison 3 Complications, Outcome 4 Wound dehiscence in days.
Figuras y tablas -
Analysis 3.4

Comparison 3 Complications, Outcome 4 Wound dehiscence in days.

Comparison 3 Complications, Outcome 5 Wound swelling at day 7.
Figuras y tablas -
Analysis 3.5

Comparison 3 Complications, Outcome 5 Wound swelling at day 7.

Comparison 3 Complications, Outcome 6 Incomplete healing at day 14.
Figuras y tablas -
Analysis 3.6

Comparison 3 Complications, Outcome 6 Incomplete healing at day 14.

Comparison 3 Complications, Outcome 7 Incomplete healing at day 21.
Figuras y tablas -
Analysis 3.7

Comparison 3 Complications, Outcome 7 Incomplete healing at day 21.

Comparison 3 Complications, Outcome 8 Incomplete healing at day 28.
Figuras y tablas -
Analysis 3.8

Comparison 3 Complications, Outcome 8 Incomplete healing at day 28.

Comparison 3 Complications, Outcome 9 Incomplete healing at day 42.
Figuras y tablas -
Analysis 3.9

Comparison 3 Complications, Outcome 9 Incomplete healing at day 42.

Comparison 3 Complications, Outcome 10 Anal fissure.
Figuras y tablas -
Analysis 3.10

Comparison 3 Complications, Outcome 10 Anal fissure.

Comparison 3 Complications, Outcome 11 Anal stenosis.
Figuras y tablas -
Analysis 3.11

Comparison 3 Complications, Outcome 11 Anal stenosis.

Comparison 3 Complications, Outcome 12 Late minor bleeding.
Figuras y tablas -
Analysis 3.12

Comparison 3 Complications, Outcome 12 Late minor bleeding.

Comparison 4 Incontinence, Outcome 1 Symptoms of incontinence at follow‐up.
Figuras y tablas -
Analysis 4.1

Comparison 4 Incontinence, Outcome 1 Symptoms of incontinence at follow‐up.

Comparison 4 Incontinence, Outcome 2 Incontinence score at follow‐up.
Figuras y tablas -
Analysis 4.2

Comparison 4 Incontinence, Outcome 2 Incontinence score at follow‐up.

Comparison 5 Convalescence, Outcome 1 Hospital stay in days.
Figuras y tablas -
Analysis 5.1

Comparison 5 Convalescence, Outcome 1 Hospital stay in days.

Comparison 5 Convalescence, Outcome 2 Return to work in days.
Figuras y tablas -
Analysis 5.2

Comparison 5 Convalescence, Outcome 2 Return to work in days.

Comparison 5 Convalescence, Outcome 3 Number of patients unhappy with results.
Figuras y tablas -
Analysis 5.3

Comparison 5 Convalescence, Outcome 3 Number of patients unhappy with results.

Comparison 6 Sensitivity analysis no.1, Outcome 1 MJS>3; Pain score at day 1.
Figuras y tablas -
Analysis 6.1

Comparison 6 Sensitivity analysis no.1, Outcome 1 MJS>3; Pain score at day 1.

Comparison 6 Sensitivity analysis no.1, Outcome 2 MJS>3; Postoperative bleeding.
Figuras y tablas -
Analysis 6.2

Comparison 6 Sensitivity analysis no.1, Outcome 2 MJS>3; Postoperative bleeding.

Comparison 6 Sensitivity analysis no.1, Outcome 3 MJS>3; Urinary retention.
Figuras y tablas -
Analysis 6.3

Comparison 6 Sensitivity analysis no.1, Outcome 3 MJS>3; Urinary retention.

Comparison 6 Sensitivity analysis no.1, Outcome 4 MJS>3; Anal stenosis.
Figuras y tablas -
Analysis 6.4

Comparison 6 Sensitivity analysis no.1, Outcome 4 MJS>3; Anal stenosis.

Comparison 6 Sensitivity analysis no.1, Outcome 5 MJS>3; Symptoms of incontinence at follow‐up.
Figuras y tablas -
Analysis 6.5

Comparison 6 Sensitivity analysis no.1, Outcome 5 MJS>3; Symptoms of incontinence at follow‐up.

Comparison 6 Sensitivity analysis no.1, Outcome 6 MJS>3; Hospital stay in days.
Figuras y tablas -
Analysis 6.6

Comparison 6 Sensitivity analysis no.1, Outcome 6 MJS>3; Hospital stay in days.

Comparison 7 Sensitivity analysis no.2, Outcome 1 FIXED; Pain score at day 1.
Figuras y tablas -
Analysis 7.1

Comparison 7 Sensitivity analysis no.2, Outcome 1 FIXED; Pain score at day 1.

Comparison 7 Sensitivity analysis no.2, Outcome 2 FIXED; Postoperative bleeding.
Figuras y tablas -
Analysis 7.2

Comparison 7 Sensitivity analysis no.2, Outcome 2 FIXED; Postoperative bleeding.

Comparison 7 Sensitivity analysis no.2, Outcome 3 FIXED; Urinary retention.
Figuras y tablas -
Analysis 7.3

Comparison 7 Sensitivity analysis no.2, Outcome 3 FIXED; Urinary retention.

Comparison 7 Sensitivity analysis no.2, Outcome 4 FIXED; Anal stenosis.
Figuras y tablas -
Analysis 7.4

Comparison 7 Sensitivity analysis no.2, Outcome 4 FIXED; Anal stenosis.

Comparison 7 Sensitivity analysis no.2, Outcome 5 FIXED; Symptoms of incontinence at follow‐up.
Figuras y tablas -
Analysis 7.5

Comparison 7 Sensitivity analysis no.2, Outcome 5 FIXED; Symptoms of incontinence at follow‐up.

Comparison 7 Sensitivity analysis no.2, Outcome 6 FIXED; Hospital stay in days.
Figuras y tablas -
Analysis 7.6

Comparison 7 Sensitivity analysis no.2, Outcome 6 FIXED; Hospital stay in days.

Comparison 8 Sensitivity analysis no.3, Outcome 1 OPEN; Pain score at day 1.
Figuras y tablas -
Analysis 8.1

Comparison 8 Sensitivity analysis no.3, Outcome 1 OPEN; Pain score at day 1.

Comparison 8 Sensitivity analysis no.3, Outcome 2 OPEN; Postoperative bleeding.
Figuras y tablas -
Analysis 8.2

Comparison 8 Sensitivity analysis no.3, Outcome 2 OPEN; Postoperative bleeding.

Comparison 8 Sensitivity analysis no.3, Outcome 3 OPEN; Urinary retention.
Figuras y tablas -
Analysis 8.3

Comparison 8 Sensitivity analysis no.3, Outcome 3 OPEN; Urinary retention.

Comparison 8 Sensitivity analysis no.3, Outcome 4 OPEN; Anal stenosis.
Figuras y tablas -
Analysis 8.4

Comparison 8 Sensitivity analysis no.3, Outcome 4 OPEN; Anal stenosis.

Comparison 8 Sensitivity analysis no.3, Outcome 5 OPEN; Symptoms of incontinence at follow‐up.
Figuras y tablas -
Analysis 8.5

Comparison 8 Sensitivity analysis no.3, Outcome 5 OPEN; Symptoms of incontinence at follow‐up.

Comparison 8 Sensitivity analysis no.3, Outcome 6 OPEN; Hospital stay in days.
Figuras y tablas -
Analysis 8.6

Comparison 8 Sensitivity analysis no.3, Outcome 6 OPEN; Hospital stay in days.

Comparison 9 Sensitivity analysis no.4, Outcome 1 CLOSED; Pain score at day 1.
Figuras y tablas -
Analysis 9.1

Comparison 9 Sensitivity analysis no.4, Outcome 1 CLOSED; Pain score at day 1.

Comparison 9 Sensitivity analysis no.4, Outcome 2 CLOSED; Postoperative bleeding.
Figuras y tablas -
Analysis 9.2

Comparison 9 Sensitivity analysis no.4, Outcome 2 CLOSED; Postoperative bleeding.

Comparison 9 Sensitivity analysis no.4, Outcome 3 CLOSED; Urinary retention.
Figuras y tablas -
Analysis 9.3

Comparison 9 Sensitivity analysis no.4, Outcome 3 CLOSED; Urinary retention.

Comparison 9 Sensitivity analysis no.4, Outcome 4 CLOSED; Anal stenosis.
Figuras y tablas -
Analysis 9.4

Comparison 9 Sensitivity analysis no.4, Outcome 4 CLOSED; Anal stenosis.

Comparison 9 Sensitivity analysis no.4, Outcome 5 CLOSED; Symptoms of incontinence at follow‐up.
Figuras y tablas -
Analysis 9.5

Comparison 9 Sensitivity analysis no.4, Outcome 5 CLOSED; Symptoms of incontinence at follow‐up.

Comparison 9 Sensitivity analysis no.4, Outcome 6 CLOSED; Hospital stay in days.
Figuras y tablas -
Analysis 9.6

Comparison 9 Sensitivity analysis no.4, Outcome 6 CLOSED; Hospital stay in days.

Comparison 1. Pain

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Pain score at day 1 Show forest plot

10

835

Mean Difference (IV, Random, 95% CI)

‐2.07 [‐2.77, ‐1.38]

2 Pain score at day 7 Show forest plot

3

214

Mean Difference (IV, Random, 95% CI)

‐1.72 [‐3.59, 0.15]

3 Pain score at day 14 Show forest plot

4

183

Mean Difference (IV, Random, 95% CI)

‐0.12 [‐0.37, 0.12]

4 Daily pain score first 7 days Show forest plot

1

34

Mean Difference (IV, Random, 95% CI)

0.60 [‐0.35, 1.55]

5 Pain score at first defecation Show forest plot

1

34

Mean Difference (IV, Random, 95% CI)

‐6.0 [‐7.59, ‐4.41]

6 Amount of pethidine (in mg) used Show forest plot

1

45

Mean Difference (IV, Random, 95% CI)

‐10.0 [‐34.98, 14.98]

7 Amount of tramadol (in g) used / week Show forest plot

1

34

Mean Difference (IV, Random, 95% CI)

‐0.75 [‐2.10, 0.60]

8 Number of ketoprofen (50 mg) used / week Show forest plot

1

56

Mean Difference (IV, Random, 95% CI)

‐2.70 [‐6.18, 0.78]

9 Number of dipyrone (250 mg) used Show forest plot

1

112

Mean Difference (IV, Random, 95% CI)

‐2.50 [‐2.75, ‐2.25]

10 Number of diclofenac (75 mg) used first 24 hours Show forest plot

2

153

Mean Difference (IV, Random, 95% CI)

‐0.78 [‐1.27, ‐0.30]

11 Number of patients using additional parenteral analgesics Show forest plot

1

84

Odds Ratio (M‐H, Random, 95% CI)

0.13 [0.05, 0.33]

Figuras y tablas -
Comparison 1. Pain
Comparison 2. Procedure

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Operating time in minutes Show forest plot

11

869

Mean Difference (IV, Random, 95% CI)

‐9.15 [‐15.09, ‐3.21]

2 Intraoperative blood loss in mililitres Show forest plot

2

124

Mean Difference (IV, Random, 95% CI)

‐22.33 [‐26.46, ‐18.20]

Figuras y tablas -
Comparison 2. Procedure
Comparison 3. Complications

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Postoperative bleeding Show forest plot

11

1108

Odds Ratio (M‐H, Random, 95% CI)

0.55 [0.24, 1.27]

2 Urinary retention Show forest plot

10

996

Odds Ratio (M‐H, Random, 95% CI)

0.41 [0.20, 0.87]

3 Constipation Show forest plot

4

313

Odds Ratio (M‐H, Random, 95% CI)

0.54 [0.19, 1.56]

4 Wound dehiscence in days Show forest plot

2

306

Mean Difference (IV, Random, 95% CI)

‐15.97 [‐26.16, ‐5.78]

5 Wound swelling at day 7 Show forest plot

1

61

Odds Ratio (M‐H, Random, 95% CI)

1.04 [0.32, 3.44]

6 Incomplete healing at day 14 Show forest plot

1

45

Odds Ratio (M‐H, Random, 95% CI)

1.25 [0.29, 5.43]

7 Incomplete healing at day 21 Show forest plot

1

41

Odds Ratio (M‐H, Random, 95% CI)

0.16 [0.04, 0.64]

8 Incomplete healing at day 28 Show forest plot

4

443

Odds Ratio (M‐H, Random, 95% CI)

0.76 [0.32, 1.80]

9 Incomplete healing at day 42 Show forest plot

1

110

Odds Ratio (M‐H, Random, 95% CI)

0.03 [0.00, 0.61]

10 Anal fissure Show forest plot

2

313

Odds Ratio (M‐H, Random, 95% CI)

0.67 [0.15, 3.09]

11 Anal stenosis Show forest plot

9

931

Odds Ratio (M‐H, Random, 95% CI)

0.95 [0.22, 4.09]

12 Late minor bleeding Show forest plot

6

765

Odds Ratio (M‐H, Random, 95% CI)

0.72 [0.10, 5.24]

Figuras y tablas -
Comparison 3. Complications
Comparison 4. Incontinence

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Symptoms of incontinence at follow‐up Show forest plot

8

896

Odds Ratio (M‐H, Random, 95% CI)

0.69 [0.18, 2.61]

2 Incontinence score at follow‐up Show forest plot

1

30

Mean Difference (IV, Random, 95% CI)

‐0.67 [‐2.07, 0.73]

Figuras y tablas -
Comparison 4. Incontinence
Comparison 5. Convalescence

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Hospital stay in days Show forest plot

6

525

Mean Difference (IV, Random, 95% CI)

‐0.19 [‐0.63, 0.24]

2 Return to work in days Show forest plot

4

451

Mean Difference (IV, Random, 95% CI)

‐4.88 [‐7.59, ‐2.18]

3 Number of patients unhappy with results Show forest plot

2

70

Odds Ratio (M‐H, Random, 95% CI)

0.53 [0.16, 1.70]

Figuras y tablas -
Comparison 5. Convalescence
Comparison 6. Sensitivity analysis no.1

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 MJS>3; Pain score at day 1 Show forest plot

7

578

Mean Difference (IV, Random, 95% CI)

‐1.71 [‐2.53, ‐0.89]

2 MJS>3; Postoperative bleeding Show forest plot

8

851

Odds Ratio (M‐H, Random, 95% CI)

0.40 [0.14, 1.11]

3 MJS>3; Urinary retention Show forest plot

8

851

Odds Ratio (M‐H, Random, 95% CI)

0.42 [0.17, 1.00]

4 MJS>3; Anal stenosis Show forest plot

7

786

Odds Ratio (M‐H, Random, 95% CI)

1.38 [0.22, 8.52]

5 MJS>3; Symptoms of incontinence at follow‐up Show forest plot

5

639

Odds Ratio (M‐H, Random, 95% CI)

0.95 [0.09, 9.61]

6 MJS>3; Hospital stay in days Show forest plot

4

380

Mean Difference (IV, Random, 95% CI)

‐0.02 [‐0.45, 0.41]

Figuras y tablas -
Comparison 6. Sensitivity analysis no.1
Comparison 7. Sensitivity analysis no.2

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 FIXED; Pain score at day 1 Show forest plot

10

835

Mean Difference (IV, Fixed, 95% CI)

‐2.20 [‐2.27, ‐2.13]

2 FIXED; Postoperative bleeding Show forest plot

11

1108

Odds Ratio (M‐H, Fixed, 95% CI)

0.51 [0.23, 1.15]

3 FIXED; Urinary retention Show forest plot

10

996

Odds Ratio (M‐H, Fixed, 95% CI)

0.40 [0.20, 0.82]

4 FIXED; Anal stenosis Show forest plot

9

931

Odds Ratio (M‐H, Fixed, 95% CI)

0.95 [0.23, 3.86]

5 FIXED; Symptoms of incontinence at follow‐up Show forest plot

8

896

Odds Ratio (M‐H, Fixed, 95% CI)

0.65 [0.21, 1.98]

6 FIXED; Hospital stay in days Show forest plot

6

525

Mean Difference (IV, Fixed, 95% CI)

‐0.15 [‐0.18, ‐0.13]

Figuras y tablas -
Comparison 7. Sensitivity analysis no.2
Comparison 8. Sensitivity analysis no.3

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 OPEN; Pain score at day 1 Show forest plot

6

611

Mean Difference (IV, Random, 95% CI)

‐2.08 [‐3.32, ‐0.83]

2 OPEN; Postoperative bleeding Show forest plot

7

645

Odds Ratio (M‐H, Random, 95% CI)

0.39 [0.12, 1.22]

3 OPEN; Urinary retention Show forest plot

6

533

Odds Ratio (M‐H, Random, 95% CI)

0.53 [0.19, 1.50]

4 OPEN; Anal stenosis Show forest plot

6

513

Odds Ratio (M‐H, Random, 95% CI)

1.0 [0.06, 16.17]

5 OPEN; Symptoms of incontinence at follow‐up Show forest plot

5

478

Odds Ratio (M‐H, Random, 95% CI)

0.66 [0.11, 3.95]

6 OPEN; Hospital stay in days Show forest plot

4

380

Mean Difference (IV, Random, 95% CI)

‐0.02 [‐0.45, 0.41]

Figuras y tablas -
Comparison 8. Sensitivity analysis no.3
Comparison 9. Sensitivity analysis no.4

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 CLOSED; Pain score at day 1 Show forest plot

4

224

Mean Difference (IV, Random, 95% CI)

‐1.83 [‐2.58, ‐1.08]

2 CLOSED; Postoperative bleeding Show forest plot

4

463

Odds Ratio (M‐H, Random, 95% CI)

0.82 [0.24, 2.82]

3 CLOSED; Urinary retention Show forest plot

4

463

Odds Ratio (M‐H, Random, 95% CI)

0.32 [0.11, 0.92]

4 CLOSED; Anal stenosis Show forest plot

3

418

Odds Ratio (M‐H, Random, 95% CI)

0.93 [0.17, 5.17]

5 CLOSED; Symptoms of incontinence at follow‐up Show forest plot

3

418

Odds Ratio (M‐H, Random, 95% CI)

0.33 [0.01, 8.22]

6 CLOSED; Hospital stay in days Show forest plot

2

145

Mean Difference (IV, Random, 95% CI)

‐0.57 [‐0.94, ‐0.20]

Figuras y tablas -
Comparison 9. Sensitivity analysis no.4