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Table 1 Patient demographics associated with DVT on admission

From: Admission prevalence of deep vein thrombosis in elderly Chinese patients with hip fracture and a new predictor based on risk factors for thrombosis screening

Variable

Total Patients (n = 248)

Patients with DVT (n = 74)

Patients without DVT (n = 174)

P value*

Demographic Variables

 Gender (Male/female)

94/154

20/54

74/100

0.021

 Age (years)

78.72 ± 8.68

81.74 ± 7.70

77.43 ± 8.77

<0.001

 Body height (m)

1.59 ± 0.07

1.58 ± 0.07

1.60 ± 0.07

0.116

 Body weight (kg)

54.89 ± 9.87

54.83 ± 9.56

54.91 ± 10.03

0.956

 BMI (kg/m2)

21.54 ± 2.98

21.81 ± 2.71

21.42 ± 3.09

0.346

 Time from injury to admission (days)

1.91 ± 1.52

2.50 ± 1.82

1.66 ± 1.30

<0.001

 Injury side (left/right)

146/102

44/30

102/72

0.902

 High energy mechanism

10

4

6

0.716

Medical history

 Smoking history (current or past)

100

34

66

0.239

 History of cerebrovascular disease

14

4

10

0.915

 History of malignancy

6

3

3

0.522

Comorbidities

 Hypertension

104

37

67

0.093

 Chronic obstructive pulmonary disease

69

26

43

0.094

 Diabetes

53

23

30

0.015

 Arrhythmia

31

10

21

0.753

 Coronary heart disease

28

10

18

0.471

 Parkinson’s disease

7

2

5

0.941

 Renal dysfunction

7

3

4

0.460

 Varicose veins

4

2

2

0.395

Laboratory Examinations

 Hemoglobin(g/L)

109.22 ± 11.7

107.25 ± 10.29

110.06 ± 12.18

0.064

 Blood platelet(10^9/L)

173.78 ± 56.78

175.08 ± 55.15

173.23 ± 57.60

0.815

 Serum albumin(g/L)

32.04 ± 3.43

31.44 ± 3.57

32.30 ± 3.34

0.068

 Serum potassium(mmol/L)

4.11 ± 0.51

4.16 ± 0.46

4.09 ± 0.53

0.321

 Serum sodium(mmol/L)

138.56 ± 3.88

138.77 ± 3.91

138.47 ± 3.88

0.576

 Fibrinogen(g/L)

4.33 ± 0.74

4.52 ± 0.71

4.24 ± 0.74

0.007

 PT(s)

11.99 ± 0.95

12.12 ± 1.05

11.94 ± 0.90

0.175

 TT(s)

17.18 ± 1.09

17.00 ± 1.13

17.24 ± 1.06

0.106

 APTT(s)

29.78 ± 2.24

29.54 ± 2.17

29.88 ± 2.26

0.269

 D-dimer (μg/ml)

7.57 ± 6.44

9.84 ± 6.84

6.59 ± 6.02

<0.001

  1. *The chi-square test or Independent t test was conducted to compare inter-group difference