Table 1 Demographic data and surgical procedures

Age (years)

47.5 ± 18.9

45.6 ± 19.8

0.73

Body mass index (kg/m²)

22.1 ± 3.5

21.3 ± 3.8

0.57

ASA classification (III/ IV)

26/23

25/24

0.59

Duration of surgery (min)

169.8 ± 39.5

175.6 ± 35.9

0.69

Size of incision (cm)

18.6 ± 3.3

17.8 ± 4.5

0.67

Cardiopulmonary bypass time (min)

76.5 ± 23.5

73.3 ± 21.5

0.57

Intraoperative bleeding volume (ml)

657.6 ± 283.9

702.8 ± 252.3

0.78

Intraoperative urine output (ml)

895.7 ± 278.4

912.5 ± 223.4

0.65

Sex (male/female)

23/26

21/28

0.67

Procedure

0.39

Mitral valve replacement

22

25

Aortic valve replacement

27

24