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Table 2 Multivariate analysis results: factors associated with CPAP failure

From: Estimation of early life endogenous surfactant pool and CPAP failure in preterm neonates with RDS

 

aRR for CPAP failure (95%CI)

p

1st model

 Gestational age

0.62 (0.51–0.76)

< 0.0001

 Incomplete or no prenatal steroids

3.2 (1.07–9.6)

0.037

 Pre-eclampsia

3 (0.7–12.2)

0.123

 LBC

0.99 (0.9–1.004)

0.218

2nd model (with interaction term)

 LBC*Gestational age

1.001 (0.99–1.003)

0.213

  1. Two models are presented: a first model including covariates with p < 0.20 at the univariate analysis and a second one also including an interaction term “LBC*Gestational age”. Goodness-of-fit is good for both models (p < 0.001, Omnibus test)