Comparison 12. Ephedrine vs control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
12.1 Women with hypotension requiring intervention	22	1401	Risk Ratio (M‐H, Random, 95% CI)	0.65 [0.53, 0.80]
12.2 Women with hypertension requiring intervention	7	520	Risk Ratio (M‐H, Random, 95% CI)	1.61 [1.00, 2.61]
12.3 Women with cardiac arrhythmia	3		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
12.3.1 Tachycardia	2	93	Risk Ratio (M‐H, Random, 95% CI)	1.12 [0.74, 1.70]
12.3.2 Bradycardia	2	103	Risk Ratio (M‐H, Random, 95% CI)	14.46 [0.87, 241.09]
12.4 Women with nausea and/or vomiting	13		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
12.4.1 Nausea and/or vomiting	5	219	Risk Ratio (M‐H, Random, 95% CI)	0.71 [0.22, 2.34]
12.4.2 Nausea	8	620	Risk Ratio (M‐H, Random, 95% CI)	0.68 [0.48, 0.96]
12.4.3 Vomiting	6	516	Risk Ratio (M‐H, Random, 95% CI)	0.68 [0.44, 1.07]
12.5 Neonates with acidosis (pH < 7.2)	9	576	Risk Ratio (M‐H, Random, 95% CI)	1.29 [0.67, 2.49]
12.6 Neonates: Apgar score	14		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
12.6.1 Apgar < 8 at 5 min	10	579	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
12.6.2 Apgar < 7 at 5 min	4	263	Risk Ratio (M‐H, Random, 95% CI)	1.14 [0.34, 3.81]