Table 5.

Reduced Logistic Regression Model for Infection in Relation to Confounding Variables*

VariableOdds
Ratio
95%
CI
P
Value
Gestational age (wk)0.80(0.68 –0.95).009
Apgar score at 5 minutes0.93(0.77 –1.14).494
Days without enteral feedings
(NPO)
1.03(0.99 –1.07).153
Mechanical ventilator days1.01(0.99 –1.03).184
Human milk-fed0.43(0.23 –0.81).010
  • * The total for the regression model is 212 cases. The number of cases with imputed values on any single variable is 11 (5.0%).