Comparison 3. Obturator medial‐to‐lateral approach versus obturator lateral‐to‐medial approach.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Subjective cure (short term, ≤ 1 year)	6	759	Risk Ratio (M‐H, Fixed, 95% CI)	1.00 [0.96, 1.06]
2 Subjective cure and improvement (short term, ≤ 1 year)	5	732	Risk Ratio (M‐H, Fixed, 95% CI)	1.02 [0.97, 1.08]
3 Subjective cure (medium term, 1 to 5 years)	2	235	Risk Ratio (M‐H, Fixed, 95% CI)	1.06 [0.91, 1.23]
4 Subjective cure and improvement (medium term, 1 to 5 years)	2	399	Risk Ratio (M‐H, Fixed, 95% CI)	1.00 [0.90, 1.11]
5 Objective cure (short term, ≤ 1 year)	6	745	Risk Ratio (M‐H, Fixed, 95% CI)	0.99 [0.95, 1.04]
6 Objective cure and improvement (short term, ≤ 1 year)	2	214	Risk Ratio (M‐H, Fixed, 95% CI)	1.00 [0.95, 1.07]
7 Operative time (minutes)	4	481	Mean Difference (IV, Random, 95% CI)	0.52 [‐1.09, 2.13]
8 Operative blood loss (ml)	3	255	Mean Difference (IV, Fixed, 95% CI)	1.11 [‐6.01, 8.22]
9 Length of hospital stay (days)	2	190	Mean Difference (IV, Random, 95% CI)	‐0.77 [‐2.54, 0.99]
10 Time to return to normal activity level	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
11 Perioperative complications	2	214	Risk Ratio (M‐H, Fixed, 95% CI)	1.30 [0.23, 7.51]
12 Major vascular or visceral injury	4	622	Risk Ratio (M‐H, Fixed, 95% CI)	0.71 [0.23, 2.19]
13 Vaginal perforation/injury	3	541	Risk Ratio (M‐H, Fixed, 95% CI)	0.25 [0.12, 0.53]
14 Bladder or urethral perforation	6	794	Risk Ratio (M‐H, Fixed, 95% CI)	0.38 [0.07, 1.92]
15 Voiding dysfunction	8	1121	Risk Ratio (M‐H, Fixed, 95% CI)	1.74 [1.06, 2.88]
16 De novo urgency or urgency incontinence	3	357	Risk Ratio (M‐H, Fixed, 95% CI)	1.01 [0.46, 2.20]
17 Detrusor overactivity	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
18 Vaginal tape erosion	7	1087	Risk Ratio (M‐H, Fixed, 95% CI)	0.42 [0.16, 1.09]
19 Groin/thigh pain	6	837	Risk Ratio (M‐H, Fixed, 95% CI)	1.15 [0.75, 1.76]
20 Repeat incontinence surgery	2	532	Risk Ratio (M‐H, Fixed, 95% CI)	0.64 [0.32, 1.30]
21 QoL specific	1	46	Mean Difference (IV, Fixed, 95% CI)	16.54 [4.84, 28.24]