Table 1 Univariate analysis of demographic and pre-operative variables in patients with and without AKI.

Age

48.7 ± 11.3

50 ± 10.2

0.19

Sex (male)

232 (52%)

160 (66%)

0.02

Race (Caucasian)

369 (82%)

185 (76%)

0.035

BSA (m²)

2.10 ± 0.30

2.26 ± 0.22

0.00001

BMI (kg/m² )

25.3 ± 4.4

28 ± 5.8

0.00001

Hgb (g/dL)

11.1 ± 1.9

11.0 ± 1.9

0.76

WBC x10⁹/L

6.4 ± 4.5

6.1 ± 3.4

0.61

Platelets x10⁹/L

137 ± 135

104 ± 67

0.00001

PT (sec)

14.9 ± 4.7

15.0 ± 2.5

0.00001

PTT (sec)

37.3 ± 12.4

40 ± 13.7

0.003

Na (mmol/L)

136 ± 5.3

135 ± 5.9

0.0005

HCO₃ (mmol/L)

23.7 ± 3.7

24 ± 4

0.12

AST (U/L)

133 ± 144

130 ± 125

0.60

ALT (U/L)

94 ± 144

85 ± 94

0.40

Total bilirubin (mg/dL)

6.7 ± 9

7 ± 10

0.07

Albumin (g/dL)

3.1 ± 0.6

2.87 ± 0.64

0.00007