Table 3 The association of demographic and clinical variables on occurrence of venous thromboembolism (VTE) assessed by logistic regression analysis.

Age

1.01

0.99–1.03

0.214

Body mass index

1.01

0.96–1.08

0.655

Sex (Female)

1.72

0.92–3.22

0.091

Multiple fracture (vs single)

1.53

0.71–3.29

0.275

Injury severity score (>8)

1.68

0.46–6.13

0.435

Below knee fracture (vs above knee fracture)

1.33

0.69–2.55

0.399

Charlson comorbidity index

1.13

0.98–1.30

0.102

1.18

1.01–1.38

0.037

External fixation (yes)

2.34

1.15–4.79

0.020

2.98

1.34–6.60

0.007

Open (vs closed)

2.53

1.23–5.19

0.011

Flap (yes)

2.96

0.79–11.09

0.107

1

<0.001

<0.001->999.999

0.962

2

0.29

0.06–1.50

0.140

3

Ref.