Table 2 Comparison of continuous variables in patients with and without preoperative DVTs

Age (years)

51.89 ± 14.86

65.08 ± 14.42

< 0.001^a*

BMI (kg/m²)

26.05 ± 4.17

26.30 ± 4.41

0.679^b

HGB (g/L)

119.41 ± 15.19

115.83 ± 12.03

0.112^b

RBC (10⁹/L)

3.55 ± 0.68

3.42 ± 0.49

0.145^b

WBC (10⁹/L)

9.39 ± 3.13

9.23 ± 3.17

0.623^b

PLT (10⁹/L)

234.31 ± 85.36

266.80 ± 98.57

0.021^b*

TP (g/L)

60.89 ± 6.10

59.22 ± 5.04

0.060^a

ALB (g/L)

36.18 ± 5.18

34.67 ± 5.37

0.072^a

ALT (U/L)

22.45 ± 13.18

33.07 ± 37.60

0.022^b*

AST (U/L)

23.97 ± 15.95

28.51 ± 19.26

0.041^b*

CRP (mg/L)

18.65 ± 23.22

43.31 ± 42.19

< 0.001^b*

PT (s)

11.63 ± 0.88

11.88 ± 1.25

0.559^b

APTT (s)

29.52 ± 3.78

29.45 ± 4.31

0.594^b

FIB (g/L)

3.41 ± 0.78

3.47 ± 1.05

0.967^b

D-dimer (mg/L)

1.03 ± 1.02

1.70 ± 1.65

< 0.001^b*