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. 2020 Oct 19;18:397. doi: 10.1186/s12967-020-02562-y

Table 4.

Logistic regression analysis of risk factors for type 2 ROP

B S.E. Wald df Exp(B) (95% CI) P value
EPO − 0.646 0.313 4.264 1 − 0.524 (0.284-0.965) 0.039
Birth weight − 0.002 0.001 13.291 1 − 0.998 (0.997–0.999) < 0.001
NEC − 0.130 0.631 0.042 1 − 0.878 (0.258–3.02) 0.837
IVH 0.047 0.557 0.007 1 1.048 (0.352–3.121) 0.933
Constant 0.095 0.773 0.015 1 1.100 0.902

CI, confidence interval; SE, standard error; Wald, Wald test. rhEPO, recombinant human erythropoietin; NEC, necrotizing enterocolitis; IVH, intraventricular hemorrhage