Table 4

Logistic regression analysis for risk factors underlying abnormal renal sonographic findings

VariableOR95% CI
Variables in the final equation
Furosemide treatment (days)1.1791.031 to 1.347
Umbilical artery catheter use (days)1.2591.003 to 1.581
Indomethacin treatment0.0760.004 to 1.499
Apgar score <7 at 5 minutes of age7.8490.533 to 115.6
Duration of mechanical ventilation (days)1.1200.995 to 1.261
Treatment with inotropics (days)0.9720.938 to 1.007
Treatment with cephalosporins (days)0.7730.572 to 1.044
Variables not in the final equation
Birth weight
Gestational age
Small for gestational age
Duration of oxygen supplementation
Treatment with netilmycin
Calcium supplementation
  • OR, odds ratio; CI, confidence interval.