Comparison 1. Absorbable tacks compared to nonabsorbable tacks.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1.1 Recurrence (1 year to median 31 months)	2	101	Risk Ratio (M‐H, Random, 95% CI)	0.74 [0.17, 3.22]
1.2 Pain (VAS 0 ‐ 10, 1 day)	1	51	Mean Difference (IV, Random, 95% CI)	0.00 [‐0.58, 0.58]
1.3 Pain (VAS 0 ‐ 100, 2 days)	1	50	Mean Difference (IV, Random, 95% CI)	‐11.80 [‐27.71, 4.11]
1.4 Pain (VAS 0 ‐ 10, 2 week)	1	51	Mean Difference (IV, Random, 95% CI)	0.40 [‐0.01, 0.81]
1.5 Pain (VAS 0 ‐ 10, 6 months)	1	51	Mean Difference (IV, Random, 95% CI)	0.50 [‐0.08, 1.08]
1.6 Seroma (3 days)	1	51	Risk Ratio (M‐H, Random, 95% CI)	0.77 [0.23, 2.54]
1.7 Seroma (1 month)	1	50	Risk Ratio (M‐H, Random, 95% CI)	1.22 [0.62, 2.42]
1.8 Infection (1 month)	1	50	Risk Ratio (M‐H, Random, 95% CI)	0.20 [0.03, 1.59]
1.9 Length of hospital stay (days)	1	51	Mean Difference (IV, Random, 95% CI)	‐0.40 [‐1.19, 0.39]
1.10 Duration of surgery (minutes)	1	51	Mean Difference (IV, Random, 95% CI)	2.00 [‐27.68, 31.68]