| Variables | Drug used | p-value | |
| Enoxaparin (%) | Aspirin (%) | ||
| Complication | 23.2 | 5.9 | <0.001 |
| Infection | 1.8 | 2.2 |
|
| Neurapraxia | 0.0 | 0.5 |
|
| Intra-operative fracture | 1.8 | 1.1 |
|
| Post-operative drainage | 3.6 | 1.5 |
|
| Hematoma | 7.1 | 0.0 |
|
| Death | 1.8 | 0.0 |
|
| Post-thrombotic syndrome | 0.0 | 0.5 |
|
| Unconfirmed suspicion | 3.6 | 0.5 |
|
| Deep vein thrombosis | 1.8 | 0.0 |
|
| Pulmonary thromboembolism | 1.8 | 0.0 |
|