Postnatal risk factors associated with retinopathy of prematurity (stages 3–5), n=498
| Unadjusted | Adjusted for hospital† | |||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Energy intake‡ 0–28 days | 0.76** | 0.65 to 0.90 | 0.76** | 0.62 to 0.92 |
| Blood transfusions§ 0–28 days | 1.17* | 1.02 to 1.33 | 1.35** | 1.09 to 1.67 |
| Birth weight¶ (g) | 0.75*** | 0.65 to 0.87 | 0.79* | 0.66 to 0.95 |
| Gestational age†† (weeks) | n.s | 0.76* | 0.59 to 0.98 | |
| Mechanical ventilation‡‡ | 1.03* | 1.00 to 1.06 | n.s | |
| R-square for model | 0.22 | 0.26 | ||
Multivariate logistic regression.
*p<0.05, **p<0.01, ***p<0.001.
†Adjusted for hospital (n=7, p=0.025).
‡Energy intake: 10 kcal/kg/day increment.
§Blood transfusions: 10 mL/kg per week increment.
¶Birth weight: 100 g increment.
††Gestational age: 1 week increment.
‡‡Mechanical ventilation: 1 day increment.
n.s, non-significant.