From: Preoperative incidence and risk factors of deep vein thrombosis in patients with an isolated patellar fracture
Fracture sides
Thrombus
Injured extremity
Uninjured extremity
Bilateral
Total
Left fracture
21 (95.4)
0 (0.0)
1 (4.6)
22 (100)
Right fracture
20 (76.9)
4 (15.4)
2 (7.7)
26 (100)
41 (85.4)
4 (8.3)
3 (6.3)
48 (100)