From: Prevalence and risk factors of preoperative deep venous thrombosis in closed patella fracture: a prospective cohort study
Risk factors
OR (95% CI)
P value
D-dimer (> 0.5 mg/L)
2.3 (1.1–4.8)
.032
Albumin (<35g/L)
2.5 (1.2–5.3)
.017
Age category
.045
18< Age ≤ 44 years
Reference
45 ≤ Age < 64 years
.624
Age ≥ 65 years old
3.0 (1.1-8.1)
.028