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Table 2 Logistic regression of hyperbilirubinemia (>9 mg%): estimates of Odds Ratios and their 95% Confidence Interval

From: Umbilical cord blood acid-base analysis and the development of significant hyperbilirubinemia in near-term and term newborns: a cohort study

Risk factors OR 95% CI
Gestational age 0.744 *** 0.606–0.914
Birth weight 1.059 * 1.001–1.121
PaO2 0.950 * 0.908–0.994
HCO3 1.929 ** 1.172–3.174
Base deficit 0.593 *** 0.411–0.856
Hematocrit 1.127 *** 1.073–1.184
Cesarean delivery 0.638 0.341–1.195
Female 0.822 0.539–1.256
  1. *p 0.01 ≤ − ≤0.05
  2. ** p 0.005 ≤ − ≤ 0.01
  3. ***p ≤ 0.005