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Logistic regression analysis of risk factors of ROP.
| Risk factor | OR | 95% CI | P |
|---|---|---|---|
| Gestational age | 0.82 | 0.707–0.950 | 0.008 |
| Birth weight | 0.999 | 0.998–1.000 | 0.049 |
| Total days of oxygen supplement | 1.02 | 1.005–1.035 | 0.008 |
| Myocardial injury | 2.327 | 1.383–3.917 | 0.001 |
ROP – retinopathy of prematurity; OR – odds ratio.
