Table 3.
Postnatal outcomes
| Outcomes | <37 weeks (N = 55) | ≥37 weeks (N = 182) | P value | 37–38 weeks (N = 59) | 39–40 weeks (N = 123) | P value |
|---|---|---|---|---|---|---|
| n (percent) | ||||||
| Sex | ||||||
| Male | 26 (49.1) | 96 (53.0) | 0.72 | 30 (50.8) | 66 (54.1) | 0.8 |
| Female | 27 (50.9) | 85 (47.0) | 29 (49.2) | 56 (45.9) | ||
| Weight <2500 g | 38 (73.1) | 13 (7.2) | <0.001 | 12 (20.3) | 1 (0.8) | <0.001 |
| Cord arterial pH <7.10 | 5 (16.7) | 0 (0.0) | 0.001 | 0 (0.0) | 0 (0.0) | |
| NICU support | ||||||
| Intubation | 24 (45.3) | 66 (36.5) | 0.26 | 28 (47.5) | 38 (31.1) | 0.049 |
| HFOV | 11 (45.8) | 8 (12.1) | 0.002 | 5 (17.9) | 3(7.9) | 0.27 |
| Nitric osride | 6(11.3) | 14 (7.7) | 0.41 | 4 (6.8) | 10 (8.2) | 0.99 |
| Vasopressors | 16 (30.2) | 43 (23.8) | 0.37 | 20 (33.9) | 23 (18.9) | 0.04 |
| Prostaglandin | 18 (34.0) | 83 (45.9) | 0.16 | 37 (62.7) | 46 (37.7) | 0.003 |
| Antibiotics | 34 (64.2) | 79 (43.6) | 0.01 | 34 (57.6) | 45 (36.9) | 0.01 |
| ECMO | 2 (3.6) | 10 (5.5) | 0.74 | 2 (3.4) | 8 (6.5) | 0.5 |
| Hospital length of stay (days), median (range) | 18 (1,294) | 16 (1,630) | 0.56 | 24 (2, 630) | 13 (1, 173) | 0.001 |
| Age at 1st cardiac surgery (days), medias (range) | 29 (2,1095) | 7 (1,540) | 0.002 | 8 (1,510) | 7 (1,540) | 0.86 |
NICU neonatal intensive care unit, HFOV high-frequency oscillatory ventilation, ECMO extracorporeal membrane oxygenation
P value is for χ2 test or Fisher’s exact test for categorical variables or Student’s t-tests or Wilcoxon rank-sum tests for continuous variables