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 decrease of 1 week in gestational age.
†Odds ratio for a reduction of 100 g in birth weight.
Gestational age at birth−0.58090.11831.788*1.418 to 2.254
Birth weight−0.002430.0009161.275†1.065 to 1.526