Comparison 16. Ephedrine vs phenylephrine.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
16.1 Women with hypotension requiring intervention	8	401	Risk Ratio (M‐H, Random, 95% CI)	0.92 [0.71, 1.18]
16.2 Women with hypertension requiring intervention	2	118	Risk Ratio (M‐H, Random, 95% CI)	1.72 [0.71, 4.16]
16.3 Cardiac dysrhythmia	5		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
16.3.1 Bradycardia	5	304	Risk Ratio (M‐H, Random, 95% CI)	0.37 [0.21, 0.64]
16.3.2 Tachycardia	1	57	Risk Ratio (M‐H, Random, 95% CI)	2.22 [0.44, 11.18]
16.4 Women with nausea and/or vomiting	4	204	Risk Ratio (M‐H, Random, 95% CI)	0.76 [0.39, 1.49]
16.5 Neonates with acidosis (pH < 7.2)	3	175	Risk Ratio (M‐H, Random, 95% CI)	0.89 [0.07, 12.00]
16.6 Neonates with Apgar score < 8 at 5 min	6	321	Risk Ratio (M‐H, Random, 95% CI)	Not estimable