Table 4

Stepwise logistic regression analysis of risk factors for ROP

Log odds ratio (b)Standard error of bOdds ratio95% 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−0.60760.11441.836*1.467 to 2.298
Birth weight−0.001650.0006891.179†1.030 to 1.349