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Table 2 Clinical data of the patients after CPB surgery classified to AKIN levels on postoperative day 4. Patients in AKIN level 0 + 1 did not receive specific renal treatment

From: NGAL expression during cardiopulmonary bypass does not predict severity of postoperative acute kidney injury

  AKIN level 0 + 1 AKIN level 2 + 3 p-value
Patients 66 15  
Male gender (%) 45 (55.6) 7 (8.6) 0.117
Age (years) 66 (21–87) 73 (62–79) 0.071
Weight (kg) 80 89 0.087
CPB duration (minutes) 141.3 141.7 0.966
Intraoperative urine output (ml/kg) 9.1 11.1 0.672
Early postoperative urine output (5 h; (ml/kg) 8.0 5.5 0.094
ICU stay (days) 3.2 5.3 0.063
Hospital stay (days) 13.5 14.7 0.637
  1. CPB cardiopulmonary bypass, ICU intensive care unit