Table 5. LOS for cognitive or motor delays by multivariate analysis.
| Variables | Cognitive delay | Motor delay | ||
|---|---|---|---|---|
| Adjusted P value | Adjusted OR (95% CI) | Adjusted P value | Adjusted OR (95% CI) | |
| Gestational age (weeks) | 0.511 | - | 0.141 | - |
| LOS | 0.042 | 1.48 (1.02–2.16) | 0.475 | - |
| Sex, male | 0.300 | - | 0.024 | 1.50 (1.06–2.14) |
| Maternal level of education ≥ college | 0.137 | - | 0.662 | - |
| Paternal level of education ≥ college | 0.009 | 0.59 (0.39–0.87) | 0.670 | - |
| Mechanical ventilation (days) | < 0.001 | 1.02 (1.01–1.03) | < 0.001 | 1.02 (1.01–1.03) |
| Use of postnatal steroid | 0.020 | 1.62 (1.08–2.42) | 0.235 | - |
| IVH ≥ grade 3 | < 0.001 | 2.81 (1.58–4.98) | < 0.001 | 4.48 (2.49–8.04) |
| IUGR | 0.032 | 1.63 (1.04–2.56) | 0.010 | 1.84 (1.12–2.92) |
| BPD | 0.811 | - | 0.947 | |
| PVL | 0.003 | 2.50 (1.35–4.61) | < 0.001 | 3.66 (1.99–6.73) |
| NEC ≥ grade 2 | 0.600 | - | 0.004 | 2.26 (1.23–3.95) |
Values are adjusted by all variables demonstrated in table.
OR = odd ratio, CI = confidence interval, LOS = late-onset sepsis, IVH = intraventricular hemorrhage, IUGR = intrauterine growth restriction, BPD = bronchopulmonary dysplasia, PVL = periventricular leukomalacia, NEC = necrotizing enterocolitis.