Total live births delivered by caesarean section and admitted to NICU by sex, gestational age and birth weight before and after EENC introduction, Da Nang Hospital for Women and Children, 2013–2015
| Characteristic | Pre-EENC (Nov 2013–Oct 2014), n (%) | Post-EENC (Nov 2014–Oct 2015), n (%) | Relative risk (95% CI) | P value |
| All live births delivered by caesarean section | 7928 | 8999 | ||
| Male | 4271 (53.9) | 4860 (54.0) | 1.00 (0.97 to 1.03) | 0.86 |
| Gestational age | ||||
| <28 weeks | 15 (0.2) | 22 (0.2) | 1.29 (0.67 to 2.49) | 0.44 |
| 28–<32 weeks | 68 (0.9) | 84 (0.9) | 1.09 (0.79 to 1.50) | 0.60 |
| 32–<37 weeks | 412 (5.2) | 467 (5.2) | 1.00 (0.88 to 1.14) | 0.98 |
| ≥37 weeks | 7433 (93.7) | 8426 (93.6) | 1.00 (0.99 to 1.01) | 0.74 |
| Birth weight | ||||
| <1000 g | 16 (0.2) | 26 (0.3) | 1.43 (0.77 to 2.67) | 0.25 |
| 1000–1499 g | 75 (1.0) | 54 (0.6) | 0.63 (0.45 to 0.90) | 0.01 |
| 1500–2499 g | 501 (6.3) | 699 (7.8) | 1.23 (1.10 to 1.37) | <0.001 |
| ≥2500 g | 7336 (92.5) | 8220 (91.3) | 0.99 (0.98 to 1.00) | 0.005 |
| Caesarean section births admitted to the NICU | 1324 (16.7) | 1065 (11.8) | 0.71 (0.66 to 0.76) | <0.001 |
| Male | 653 (49.3) | 556 (52.2) | 1.06 (0.98 to 1.15) | 0.16 |
| Newborns by gestational age | ||||
| <28 weeks | 6 (40.0) | 7 (31.8) | 0.80 (0.33 to 1.90) | 0.6 |
| 28–<32 weeks | 60 (88.2) | 70 (83.3) | 0.94 (0.83 to 1.07) | 0.4 |
| 32–<37 weeks | 360 (87.3) | 355 (76.0) | 0.87 (0.82 to 0.93) | <0.001 |
| ≥37 weeks | 898 (12.1) | 633 (7.5) | 0.62 (0.56 to 0.68) | <0.001 |
| Newborns by birth weight | ||||
| <1000 g | 7 (43.7) | 7 (26.9) | 0.62 (0.27 to 1.43) | 0.2 |
| 1000–1499 g | 61 (81.3) | 48 (88.9) | 1.09 (0.95 to 1.26) | 0.2 |
| 1500–2499 g | 385 (76.8) | 342 (48.9) | 0.64 (0.58 to 0.70) | <0.001 |
| ≥2500 g | 871 (11.9) | 668 (8.1) | 0.68 (0.62 to 0.75) | <0.001 |
EENC, early essential newborn care; NICU, neonatal intensive care unit.