Stepwise logistic regression analysis of risk factors for ROP
| Log odds ratio (b) | Standard error of b | Odds ratio | 95% CI of odds ratio | |
|---|---|---|---|---|
| *Odds ratio for a reduction of 1 week in gestational age. | ||||
| †Odds ratio for a reduction of 100 g in birth weight. | ||||
| Gestational age at birth | −0.6076 | 0.1144 | 1.836* | 1.467 to 2.298 |
| Birth weight | −0.00165 | 0.000689 | 1.179† | 1.030 to 1.349 |