Table 2.
Multivariate logistic regression analysis of risk factors for the recurrence of retinopathy of prematurity.
| Factor | Odds ratio | P value |
|---|---|---|
| Birth weight < 1250 g | 0.823 | 0.860 |
| Gestation age < 29.5 weeks | 1.332 | 0.791 |
| Respiratory distress syndrome | 5.232 | 0.221 |
| HIE | 3.856E5 | 0.999 |
| Hypotension | 0.000 | 1.000 |
| Carbohemia | 0.000 | 1.000 |
| Placental abruption | 0.000 | 0.999 |
| Preretinal hemorrhage before treatment | 39.404 | 0.004 |
| Preretinal hemorrhage after treatment | 0.000 | 0.999 |
| Iris neovascularization | 7.025E8 | 1.000 |
| Threshold | 0.773 | 0.883 |
HIE: hypoxic ischemic encephalopathy.