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Table 1 Comparison between general data

From: Analysis of risk factors and establishment of prediction model for lower extremity deep vein thrombosis after lumbar fusion surgery

 

Non-DVT group

(n = 234)

DVT group

(n = 43)

P-value

Gender (n, %)

  

0.084

 Female

108 (46.2)

26 (60.5)

 

 Male

126 (53.8)

17 (39.5)

 

Age (yrs) (median, IQR)

57 (52,64)

60 (56,68.5)

0.003

BMI (kg/m2) (median, IQR)

25.7 (23.4,27.6)

24.9 (23.7,26.6)

0.32

Days before surgery (median, IQR)

3 (2,4)

3 (2,4)

0.527

Weakened lower extremity muscle strength (yes) (n, %)

34 (14.5)

26 (60.5)

< 0.001

Walking impairment (yes) (n, %)

80 (34.2)

28 (65.1)

< 0.001

Smoking history (yes) (n, %)

44 (18.8)

4 (9.3)

0.130

History of alcohol consumption (yes) (n, %)

36 (15.4)

4 (9.3)

0.297

History of allergies (yes) (n, %)

18 (7.7)

1 (2.3)

0.326

History of trauma (yes) (n, %)

21 (9)

6 (14)

0.398

History of surgery (yes) (n, %)

84 (35.9)

18 (41.9)

0.456

Hypertension (yes) (n, %)

72 (30.8)

14 (32.6)

0.816

Diabetes mellitus (yes) (n, %)

15 (6.4)

7 (16.3)

0.058

Coronary heart disease (yes) (n, %)

11 (4.7)

2 (4.7)

1.000

  1. SD standard deviation, median median, IQR quartile, yrs years old, BMI Body mass index