Table 4.
A comparison of the clinical complications of the infants among the three groups [n (%)]
| Weight < 1000 g group (n = 11 cases) | Weight ≥ 1000~1250 g group (n = 32 cases) | Weight ≥ 1250~1500 g group (n = 64 cases) | t/χ 2 | P | |
|---|---|---|---|---|---|
| Asphyxia | 4 (36.36) | 6 (18.75) | 10 (15.63) | 2.66 | 0.24 |
| RDS | 8 (72.73) | 20 (62.5) | 42 (65.63) | 0.38 | 0.82 |
| LOS | 4 (44.44) | 11 (42.31) | 9 (15) | 9.10 | 0.01 |
| EOS | 1 (9.09) | 5 (15.63) | 12 (18.75) | 0.67 | 0.73 |
| PIVH | 6 (60.0) | 6 (19.35) | 14 (22.95) | 7.09 | 0.03 |
| PDA | 2 (20.0) | 6 (19.35) | 12 (19.67) | 2.39 | 0.21 |
| PPHN | 0 | 5 (16.13) | 2 (3.28) | 15.23 | 0.14 |
| BPD | 0 | 4 (14.29) | 0 | 5.58 | 0.24 |
Note: A significant difference is P < 0.05. RDS: Respiratory distress syndrome; LOS: Late-onset sepsis; EOS: Early-onset sepsis; PIVH: Periventricular intraventricular hemorrhage; PDA: Arterial catheter opening; PPHN: Persistent pulmonary hypertension; BPD: Bronchopulmonary dysplasia.