VTE risk factor | DVT cases | Total cases enrolled (665) | Ratio of DVT incidence 2.4 % | ||
---|---|---|---|---|---|
Rivaroxaban group (6) | LWMH group (10) | Sum (16) | |||
Age ≥60 years old | 5 | 7 | 12 | 298 | 4.0 % |
BMI ≥30 kg/m2 | 3 | 6 | 9 | 304 | 3.0 % |
Thrombophilia | 4 | 4 | 6 | 201 | 3.0 % |
Diabetics | 1 | 1 | 2 | 55 | 3.6 % |
Hypertension | 0 | 1 | 1 | 65 | 1.5 % |
Hyperlipidemia | 0 | 0 | 1 | 20 | 5.0 % |
Diabetics/hypertension/hyperlipidemia | 2 | 0 | 2 | 32 | 6.3 % |
Spinal tumor | 1 | 2 | 3 | 29 | 10.3 % |
Previous history of phlebothrombosis | 1 | 0 | 1 | 7 | 14.3 % |
Anterior or combined anterior–posterior surgery | 0 | 1 | 1 | 16 | 6.3 % |
Spinal trauma | 2 | 3 | 5 | 86 | 5.8 % |
Without nerve injury | 0 | 1 | 1 | 55 | 1.8 % |
With nerve injury | 2 | 2 | 4 | 31 | 12.9 % |