Comparison 34. Ketamine vs saline.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
34.1 Women with hypotension requiring intervention	1	105	Risk Ratio (M‐H, Random, 95% CI)	0.79 [0.62, 1.01]
34.1.1 0.25 mg/kg IV ketamine	1	52	Risk Ratio (M‐H, Random, 95% CI)	0.83 [0.61, 1.14]
34.1.2 0.5 mg/kg IV ketamine	1	53	Risk Ratio (M‐H, Random, 95% CI)	0.73 [0.50, 1.07]
34.2 Women with nausea and/or vomiting	1	105	Risk Ratio (M‐H, Random, 95% CI)	0.79 [0.50, 1.25]
34.2.1 0.25 mg/kg IV ketamine	1	52	Risk Ratio (M‐H, Random, 95% CI)	0.91 [0.48, 1.71]
34.2.2 0.5 mg/kg IV ketamine	1	53	Risk Ratio (M‐H, Random, 95% CI)	0.69 [0.36, 1.31]
34.3 Apgar score < 8 at 5 min	1	105	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
34.3.1 0.25 mg/kg IV ketamine	1	52	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
34.3.2 0.5 mg/kg IV ketamine	1	53	Risk Ratio (M‐H, Random, 95% CI)	Not estimable