Table 4 Multivariate logistic regression analyses for VTE

 9–18 points vs. 0–8 points

3.13 (2.01–4.85)

< 0.001

Age ≥ 65 years

1.85 (1.28–2.67)

0.001

Pathological grade 3–4 vs. grade 1–2

1.80 (1.24–2.62)

0.002

Medical diseases

1.56 (1.03–2.36)

0.037

Fresh frozen plasma transfusion

1.63 (1.13–2.37)

0.010

Pharmacologic prophylaxis

0.55 (0.37–0.81)

0.002