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Table 2 Diseases and treatments of all patients (n = 210)

From: Risk assessment scales to predict risk of lower extremity deep vein thrombosis among multiple trauma patients: a prospective cohort study

Factors

All patients (n = 210)

Thrombosis group (n = 55)

Non-thrombosis group (n = 155)

Statistics

P value

Mechanism of injury

 Road traffic injury

130 (61.91%)

34 (61.82%)

96 (61.94%)

0.479

0.787

 Fall

65 (30.95%)

16 (29.09%)

49 (31.61%)

  

 Other injurya

15 (7.14%)

5 (9.09%)

10 (6.45%)

  

Area of injury

 Head

96 (45.71%)

25 (45.45%)

71 (45.81%)

0.002

0.964

 Chest

150 (71.43%)

38 (69.69%)

112 (71.79%)

0.200

0.655

 Abdomen

55 (26.19%)

18 (32.73%)

37 (23.87%)

1.647

0.199

 Spine and spinal cord

73 (34.76%)

21 (38.18%)

52 (33.55%)

0.384

0.535

 Pelvis

60 (28.57%)

23 (41.82%)

37 (23.87%)

6.407

0.011

 Extremities

122 (58.10%)

33 (60%)

89 (57.42%)

0.111

0.739

Number of operations

 0

49 (23.33%)

9 (16.36%)

40 (25.81%)

7.365

0.025

 1

121 (57.62%)

29 (52.73%)

92 (59.35%)

  

 ≥ 2

40 (19.05%)

17 (30.91%)

23 (14.84%)

  

 Chemoprophylaxis

134 (63.81%)

47 (85.45%)

87 (56.13%)

15.118

0.000

 Time from injury to admission* (h)b

9 (6,13.25)

8 (6,14)

9 (5,13)

-0.406

0.684

 Injury Severity Scoreb

17 (13,22)

22 (15,27)

17 (13,22)

-3.154

0.002

 Length of hospital* (days)b

16 (11,23)

21 (15,29)

14 (9,21)

-4.577

0.000

 Length of ICU* (days)b

0 (0,7)

1 (0,15)

0 (0,5)

-2.286

0.022

 D-dimer (mg/L, M [Q1, Q3])

3.23 (1.60,6.70)

5.77 (3.27,9.82)

2.63 (1.08,5.01)

-5.171

0.000

  1. aIncluded bruise injury by heavy object, gas explosion, violent attacks, stab wounds, power saw injury
  2. bMann-Whitney U test. Others were tested using the Chi square test