Table 3

 Therapeutic interventions, diagnosed diseases, and drug treatments before onset of acute renal failure

Cases (n = 71)Controls (n = 101)p Value
Values are mean (SD) or number (%).
Endotracheal intubation60 (85%)70 (69%)0.035
    At birth46 (65%)47 (46%)0.027
    Subsequently14 (20%)23 (23%)0.771
Percutaneous venous catheter40 (56%)36 (36%)0.011
    Duration of use (days)18.02 (16.00)17.61 (15.57)NS
Umbilical artery catheter57 (80%)81 (80%)0.856
    Duration of use (days)7.58 (4.39)6.26 (2.51)0.013
Central venous catheter13 (18%)21 (21%)0.835
    Duration of use (days)14.69 (11.25)21.28 (11.26)<0.001
Meconium stained amniotic fluid16 (23%)9 (9%)0.023
Hyperbilirubinaemia60 (85%)80 (79%)0.496
Phototherapy59 (83%)68 (68%)0.032
Low Apgar score30 (42%)27 (27%)0.049
Respiratory distress syndrome63 (89%)83 (82%)0.334
Mechanical ventilation
    Frequency58 (82%)73 (72%)0.213
    Length (days)13.38 (15.07)13.99 (16.07)NS
Oxygen supplementation8 (11%)1 (1%)0.008
Surfactant requirement52 (73%)61 (60%)0.113
Patent ductus arteriosus31 (44%)28 (28%)0.049
Sepsis16 (23%)18 (18%)0.569