G(+) (n = 11)

G(−) (n = 12)

P values

Male/female

7/4

6/6

P = 0.51

Age (year)

68.1 ± 8.6

67.1 ± 12.3

P = 0.96

BMI (kg/m²)

24.8 ± 3.4

24.8 ± 3.6

P = 0.95

Operation time (min)

260 ± 143

212 ± 53

P = 0.39

Anesthetic time (min)

406 ± 177

332 ± 49

P = 0.34

Blood loss (ml)

121 ± 116

46 ± 55

P = 0.24

Transfusion volume (ml)

2566 ± 1182

2130 ± 462

P = 0.40