Comparison 29. Phenylephrine: different doses.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
29.1 Women with hypotension requiring intervention	1	117	Risk Ratio (M‐H, Random, 95% CI)	8.17 [1.04, 64.30]
29.1.1 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	8.17 [1.04, 64.30]
29.2 Women with hypertension requiring intervention	1	117	Risk Ratio (M‐H, Random, 95% CI)	0.23 [0.05, 1.02]
29.2.1 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	0.23 [0.05, 1.02]
29.3 Women with cardiac dysrhythmia	1	117	Risk Ratio (M‐H, Random, 95% CI)	0.11 [0.01, 0.80]
29.3.1 Bradycardia: 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	0.11 [0.01, 0.80]
29.4 Women with nausea and/or vomiting	1	117	Risk Ratio (M‐H, Random, 95% CI)	3.50 [0.37, 32.67]
29.4.1 Nausea and vomiting: 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	3.50 [0.37, 32.67]
29.5 Neonatal cord blood pH < 7.2	1	117	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
29.5.1 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
29.6 Neonatal Apgar score < 8 at 5 min	1	117	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
29.6.1 50 μg/mL vs 100 μg/mL	1	117	Risk Ratio (M‐H, Random, 95% CI)	Not estimable