Table 3

- Results of multivariate logistic analysis of variables for predicting EONS in preterm infants.*

CharacteristicAdjusted OR (95% CI)β CoefficientP-value
Apgar score at 5 minutes0.038 (0.005, 0.302)-3.2700.002
CRP level4.039 (1.251, 13.033)1.3960.020
PCT level30.244 (3.349, 273.116)3.4090.002
IL-6 level1.034 (1.005, 1.064)0.0340.021
Intercept 24.2800.013
  • * All variables identified by univariate logistic analysis (p<0.10) were tested using the backward exclusion method. In the multivariable model, the covariate with a p>0.05 was gradually removed separately from the covariate with the highest P-value. To identify other remaining potential confounders, if the effect value of any other predictor changed by 10%, all deleted variables were added separately to the multivariate model and were retained in the model. OR: odd ratio, CI: confidence interval EONS: early-onset neonatal sepsis, PLT: platelet, CRP: C-reactive protein, PCT: procalcitonin, IL-6: interleukin-6