Table 1 Demographic characteristics and univariate analysis of DVT after TKA surgery

Number of patients

207 (31.3%)

454 (68.7%)

–

Gender (n, %)

0.657

 Male

65 (31.4%)

153 (33.7%)

 Female

142 (68.5%)

301 (66.3%)

Age (mean ± SD)

70.13 ± 7.05

69.33 ± 7.15

0.178

BMI (mean ± SD)

25.38 ± 3.77

25.75 ± 13.27

0.694

Side (n, %)

0.197

 Left side

81 (39.1%)

207 (45.6%)

 Right side

126 (60.8%)

247 (54.4%)

Smoking (n, %)

15 (7.2%)

51 (11.2%)

0.113

Alcohol (n, %)

17 (8.2%)

54 (11.9%)

0.156

Preoperative period

 Preoperative time (days)

3.01 ± 1.42

3 ± 1.48

0.937

 Triglyceride (mmol/L)

2.29 ± 1.47

2.23 ± 1.34

0.579

 Cholesterol (mmol/L)

5.34 ± 2.01

5.30 ± 1.06

0.746

 Fibrinogen (g/L)

3.43 ± 0.77

3.41 ± 0.76

0.763

 Hb (g/L)

128.07 ± 13.36

129.94 ± 13.86

0.104

 HCT (L/L)

0.45 ± 0.05

0.39 ± 0.04

0.018

 ALB (g/L)

39.52 ± 3.31

39.51 ± 3.16

0.97

 PLT (10^9/L)

247.02 ± 64.78

233.29 ± 65.32

0.012

 D-dimer (mg/L)

0.70 ± 1.04

1.10 ± 10.09

0.574

Intraoperative period

 Duration of surgery times

82.03 ± 20

84.38 ± 22.59

0.248

 Anesthesia (n, %)

< 0.001

 GA

114 (55.1%)

200 (44.1%)

 NA

93 (44.9%)

254 (55.9%)

Postoperative period

 Triglyceride (mmol/L)

1.24 ± 0.52

1.40 ± 0.94

0.058

 Cholesterol (mmol/L)

4.71 ± 1.03

4.63 ± 1.05

0.514

 Fibrinogen (g/L)

4.32 ± 1.32

4.16 ± 1.26

0.201

 Hb (g/L)

119.38 ± 14.01

123.48 ± 48.67

0.236

 ALB (g/L)

35.02 ± 2.77

35.28 ± 3.54

0.364

 PLT (10⁹/L)

213.89 ± 61.39

209.60 ± 58.33

0.39

 D-dimer (mg/L)

2.95 ± 2.48

3.88 ± 4.30

0.048

 ESR (mm/h)

8.20 ± 3.90

29.90 ± 19.12

0.018

 HCT

0.37 ± 0.04

0.35 ± 0.04

0.175

Preoperative comorbidities

Diabetes (n, %)

36 (17.4%)

55 (12.1%)

< 0.001

 Hypertension (n, %)

90 (43.5%)

176 (38.8%)

0.252