Table 2. Unadjusted frequency of Individual adverse neonatal outcomes for the two study groups.
| Neonatal outcome | 36-38 wk (N=459) % (n) |
39-40 wk (N=13339) % (n) |
RR (95% CI) |
|---|---|---|---|
|
| |||
| Suspected or Proven Sepsis * | 5.9 (27) | 2.3 (304) | 2.5 (1.8-3.7) |
| • Proven sepsis | 0 (0) | 0.07 (9) | n/a |
| Need for Respiratory Support * | 3.3 (15) | 1.1 (141) | 3.0 (1.8-4.8) |
| • Ventilator Support | 0.7 (3) | 0.2 (31) | 2.7 (0.9 – 7.9) |
| Hypoglycemia ** | 2.2 (10) | 0.18 (24) | 9.0 (5.3-15.3) |
| Feeding Difficulties (%) ** | 1.5(7) | 0.4 (52) | 3.6 (1.8-7.3) |
| TTN * | 1.5(7) | 0.6 (76) | 2.6 (1.3-5.2) |
| RDS ** | 1.5(7) | 0.04 (6) | 16.4 (9.8-27.4) |
| Treated hyperbilirubinemia ** | 13 (6) | 0.1 (17) | 7.9 (4.0-15.9) |
| Surfactant Use * | 0.4 (2) | 0.05 (7) | 6.7 (2.0-22.8) |
| Perinatal Demise | 0(0) | 0.2 (24) | n/a |
| BPD * | 0.2(1) | 0.0 (0) | n/a |
| Intraventricular Hemorrhage | 0(0) | 0.01 (1) | n/a |
| Hypoxic Ischemic Encephalopathy | 0(0) | 0.05 (7) | n/a |
| Necrotizing Enterocolitis | 0(0) | 0(0) | n/a |
| Periventricular Leukomalacia | 0 (0) | 0 (0) | n/a |
| PPHN | 0.4 (2) | 0.3 (33) | 1.7 (0.4-6.6) |
| Seizures | 0 (0) | 0.07 (10) | n/a |
| Need for CPR | 0 (0) | 0.04 (6) | n/a |
| NICU Admission ** | 6.3 (29) | 2.5 (329) | 2.5 (1.8-3.6) |
| Prolonged Hospitalization ** | 10.5 (39) | 3.3 (366) | 3.2 (2.4-4.4) |
*
p-value comparing groups < 0.05 or
**
p <0.01; n/a = not applicable (zero cells)