3.3.7 Neonatal survival rate
Four studies were included for this analysis[12,13,15,16]. Due to statistical homogeneity across studies (P =0.68,I 2=0%), a fixed-effect model was applied. No significant difference was found in neonatal survival rate between the two groups (RR =1.70, 95%CI : 0.66 to 4.41, P =0.28) (Figure 1-8).