Table 2 Multivariate analyses of the independent risk factors associated with preoperative DVT.

From: Establishment and validation of a predictive nomogram for preoperative deep vein thrombosis in elderly patients with isolated femoral neck fracture

Variables

P value

Odds ratio

95% CI

Age (years)*

0.001

1.100

1.042–1.162

BMI(≥ 28)*

0.010

3.969

1.792–8.793

Smoking*

0.013

2.998

1.255–7.165

Time from injury to DUS (days)

0.152

1.168

0.944–1.445

PLT (> 220*109/L)

0.052

2.190

0.993–4.827

LDL-C (> 3.4 mmol/L)*

0.006

2.628

1.316–5.250

ALT (> 50 U/L)

0.075

2.642

0.905–7.714

d-dimer (> 0.475 mg/L)*

0.001

3.157

1.565–6.368

  1. CI: confidential interval.
  2. *Significant variables.
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