Table 1 Demographics - 1778 ICU patients.

Age (years): median [IQR]

65.50 [54.55-74.50]

Apache II: median [IQR]

18.00 [13.00-29.00]

ICU length of stay (hours): median [IQR]

69.00 [35.00-151.00]

Baseline serum creatinine (mg/dl): median [IQR]

0.92 [0.77-1.06]

Type of admission: elective/emergency (%)

1155 (64.96) / 623 (35.04)

Diagnostic group: cardiac/transplant/non cardiac surgery and trauma-burns/medical-others (%)

1186 (66.70) / 131 (7.37) / 385 (21.65) / 76 (4.27)

Male gender: n (%)

1123 (63.16)

Sepsis on ICU admission: n (%)

285 (16.03)

Diabetes: n (%)

274 (15.41)

Incidence of AKI within first week: n (%)

241 (13.55)