G(+) (n = 11)

G(−) (n = 12)

P values

Male/Female

7/4

6/6

P = 0.51

Age (year)

68.1 ± 2.5

65.6 ± 2.2

P = 0.62

BMI (kg/m²)

23.4 ± 0.7

24.5 ± 1.0

P = 0.56

Operation time (min)

379 ± 58

260 ± 25

P = 0.13

Anesthetic time (min)

500 ± 59

364 ± 25

P = 0.08

Blood loss (ml)

209 ± 98

293 ± 174

P = 0.78

Transfusion volume (ml)

3273 ± 393

3065 ± 398

P = 0.48