HR (95% CI) | p value | |
---|---|---|
Control group | ref | |
Historic control group | 1.26 (0.80–1.98) | 0.31 |
Intervention group | 1.44 (0.92–2.24) | 0.11 |
Length of hospital stay, days | 1.04 (0.95–1.13) | 0.36 |
Maternal age, years | 0.94 (0.91–0.97) | < 0.001 |
Vaginal birth | 0.64 (0.39–1.03) | 0.06 |
Primipara | 1.08 (0.75–1.53) | 0.69 |