. Author manuscript; available in PMC: 2012 Sep 27.

Published in final edited form as: Am J Obstet Gynecol. 2009 Jun;200(6):595–609. doi: 10.1016/j.ajog.2009.04.005

TABLE 3.

Effect of magnesium sulfate on cerebral palsy and pediatric mortality

Outcome	No of trials	Number of events/total number		Relative risk (95% Cl)	I² (%)
Outcome	No of trials	Magnesium	No magnesium	Relative risk (95% Cl)	I² (%)
Cerebral palsy	6^{30–32, 34, 35}	104/2658	152/2699	0.69 (0.55–0.88)	4.4
Moderate/severe cerebral palsy	3^31,34,35	45/2169	72/2218	0.64 (0.44–0.92)	0.0
Mild cerebral palsy	3^31,34,35	54/2169	74/2218	0.74(0.52–1.04)	0.0
Total pediatric mortality	6^{29,31,32,34,35}	401/2658	400/2699	1.01 (0.89–1.14)	38.9
Fetal mortality	5^29,31,34,35	17/2254	22/2298	0.78(0.42–1.46)	0.0
Under two years of corrected age mortality	5^29,31,34,35	217/2254	220/2298	1.00(0.84–1.19)	47.3
Death or cerebral palsy	6^{30–32,34,35}	505/2658	551/2699	0.92(0.83–1.02)	43.3

Cl, confidence interval