Comparison 2. Vasopressin versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Blood loss (ml)	3	128	Mean Difference (IV, Fixed, 95% CI)	‐199.97 [‐223.83, ‐176.12]
1.1 Abdominal myomectomy	1	20	Mean Difference (IV, Fixed, 95% CI)	‐450.00 [‐507.49, ‐392.51]
1.2 Laparoscopic myomectomy	2	108	Mean Difference (IV, Fixed, 95% CI)	‐147.95 [‐174.17, ‐121.73]
2 Need for blood transfusion	2		Odds Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Abdominal myomectomy	1	20	Odds Ratio (M‐H, Fixed, 95% CI)	0.11 [0.01, 1.24]
2.2 Laparoscopic myomectomy	1	70	Odds Ratio (M‐H, Fixed, 95% CI)	0.18 [0.02, 1.60]
3 Duration of surgery (min)	2	108	Mean Difference (IV, Fixed, 95% CI)	‐27.72 [‐35.82, ‐19.61]
4 Duration of hospital stay (days)	2	108	Mean Difference (IV, Random, 95% CI)	0.11 [‐0.69, 0.91]
5 Postoperative complications	1		Odds Ratio (M‐H, Fixed, 95% CI)	Subtotals only
5.1 Adhesions to bowel and/or omentum	1	38	Odds Ratio (M‐H, Fixed, 95% CI)	2.02 [0.54, 7.49]
5.2 Adnexal adhesions	1	38	Odds Ratio (M‐H, Fixed, 95% CI)	1.87 [0.39, 8.93]
6 Pregnancy after myomectomy	1	38	Odds Ratio (M‐H, Fixed, 95% CI)	0.64 [0.18, 2.31]
7 Conversion of laparoscopy to laparotomy	1	70	Odds Ratio (M‐H, Fixed, 95% CI)	7.65 [0.38, 153.75]