Comparison 1. Tubal ring versus clip.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Major morbidity: total	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Subtotals only
1.1 Procedure‐related injuries requiring additional operation or blood transfusion	1	545	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.14 [0.00, 7.05]
2 Minor morbidity: total	2	842	Peto Odds Ratio (Peto, Fixed, 95% CI)	2.15 [1.22, 3.78]
3 Minor morbidity: details	3		Peto Odds Ratio (Peto, Fixed, 95% CI)	Subtotals only
3.1 Procedure related injuries with no additional operation	3	3575	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.95 [1.36, 2.78]
3.2 Urogenital infections	3	3145	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.88 [0.83, 4.28]
3.3 Wound infection	3	3144	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.17 [0.73, 1.87]
3.4 Postoperative temperature > 38 °C without hospitalisation	1	296	Peto Odds Ratio (Peto, Fixed, 95% CI)	7.49 [0.15, 377.52]
4 Technical failures	3	3476	Peto Odds Ratio (Peto, Fixed, 95% CI)	3.93 [2.43, 6.35]
5 Technical difficulties	3	3590	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.13 [0.87, 1.46]
6 Failure rate: total	4	3822	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.72 [0.33, 1.57]
7 Failure rate: details	2		Peto Odds Ratio (Peto, Fixed, 95% CI)	Subtotals only
7.1 Failure rate ≤ 1 year, total	2	2629	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.85 [0.23, 3.14]
7.2 Failure rate ≤ 1 year, extrauterine pregnancy	1	2202	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
7.3 Failure rate > 1 year, extrauterine pregnancy	1	427	Peto Odds Ratio (Peto, Fixed, 95% CI)	8.11 [0.16, 410.33]
8 Operative time	1	297	Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
9 Hospital stay > 24 h	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
10 Complaints	4		Peto Odds Ratio (Peto, Fixed, 95% CI)	Subtotals only
10.1 Postoperative pain < 24 h	3	922	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.14 [0.88, 1.48]
10.2 Postoperative analgesic use	1	70	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.70 [0.28, 1.79]
10.3 Cramping pain during first week after surgery	1	70	Peto Odds Ratio (Peto, Fixed, 95% CI)	5.24 [1.52, 18.00]
11 Menstrual irregularities	2	612	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.61 [0.75, 3.49]