Variable Group A (n=60) Group B (n=60) Group C (n=60) P Value
Demographic characteristic
Age
68.36 ± 10.28
67.41 ± 9.96
68.77 ± 9.72
0.747
Female (no. [%] of patients)
48 (80.0)
46 (76.7)
50 (83.3)
0.659
Height
1.60 ± 0.09
1.62 ± 0.05
1.61 ± 0.07
0.316
Weight
65.24 ± 9.59
65.73 ± 9.83
66.31 ± 9.70
0.833
BMI
26.17 ± 3.43
25.94 ± 3.62
26.64 ± 3.89
0.565
ASA class (no. [%] of patients of grade I+II) 55 (91.7) 57 (95.0) 56 (93.3) 0.765
Preoperative hematological index
Hb (g/L)
119.3 ± 9.7
119.9 ± 10.1
121.2 ± 9.9
0.562
Ret (×10^12/L)
0.0724 ± 0.026
0.0737 ± 0.031
0.0698 ± 0.027
0.741