Table 1 Demographic baseline information of patients

Gender(male/female, n)

13/22

13/22

1

Age(year)

65.43 ± 5.86

64.86 ± 6.11

0.691

BMI(kg/m²)

25.23 ± 2.60

25.70 ± 2.50

0.445

ASA grade(II/III, n)

30/5

29/6

0.743

Preoperative-Hb(g/L)

133.26 ± 14.38

135.63 ± 15.19

0.505

Preoperative-Hct(%)

40.44 ± 3.88

41.16 ± 4.55

0.479

Platelet count(×10⁹/L)

207.03 ± 62.53

212.46 ± 55.80

0.703

PBV(ml)

4135.63 ± 547.33

4128.47 ± 553.29

0.957

Preoperative coagulation index

 PT(s)

11.37 ± 1.21

11.53 ± 0.92

0.791

 PTA(%)

108.02 ± 11.67

107.97 ± 9.84

0.805

 INR

0.94 ± 0.096

0.94 ± 0.073

0.814

 APTT(s)

29.98 ± 2.71

29.88 ± 3.09

0.889

 TT(s)

16.64 ± 0.85

16.71 ± 1.05

0.745

 FIB(g/L)

3.05 ± 0.54

3.19 ± 0.69

0.340