From: Age over 65 years and high levels of C-reactive protein are associated with the risk of preoperative deep vein thrombosis following closed distal femur fractures: a prospective cohort study
Variables
Odds ratio
95% CI
p value
Age > 65 years
4.390
1.727–11.155
0.002
ASA (III–V)
2.753
1.216–6.729
0.026
CRP > 11 mg/L
4.158
1.808–11.289
0.001
PLT > 217 × 109/L
2.547
1.068–6.073
0.035
D-dimer > 1 mg/L
3.496
1.483–8.237
0.004