Table 3 Preoperative and postoperative WOMAC and VAS among posttraumatic OA knee (fracture PTOA and ligamentous PTOA) and primary OA knee
From: TKR after posttraumatic and primary knee osteoarthritis: a comparative study
Preoperative WOMAC | Mean ± SD | Range | p value |
Pain component | |||
Fracture PTOA | 40.5 ± 30.6 | 0.0-100.0 | 0.20 |
Ligamentous PTOA | 43.6 ± 19.7 | 0.0-100.0 | 0.11 |
Primary OA* | 48.7 ± 21.9 | 0.0-100.0 | |
Stiffness component | |||
Fracture PTOA | 36.4 ± 30.6 | 0.0-100.0 | 0.70 |
Ligamentous PTOA | 39.4 ± 21.3 | 0.0-87.5 | 0.95 |
Primary OA* | 40.2 ± 21.6 | 0.0-100.0 | |
Functional component | |||
Fracture PTOA | 41.2 ± 24.2 | 5.7-87.5 | 0.39 |
Ligamentous PTOA | 45.3 ± 21.4 | 0.0-95.5 | 0.80 |
Primary OA* | 46.7 ± 19.0 | 0.0-97.7 | |
Postoperative WOMAC | Mean ± SD | Range | p value |
Pain component | |||
Fracture PTOA | 70.0±25.0 | 25.0-100.0 | 0.007 |
Ligamentous PTOA | 80.2±23.8 | 0.0-100.0 | 0.16 |
Primary OA* | 85.7±19.6 | 10.0-100.0 | |
Stiffness component | |||
Fracture PTOA | 50.0±25.0 | 0.0-100.0 | 0.013 |
Ligamentous PTOA | 63.2±22.8 | 0.0-100.0 | 0.98 |
Primary OA* | 63.8±18.3 | 0.0-100.0 | |
Functional component | |||
Fracture PTOA | 60.9±21.0 | 22.7-89.8 | 0.08 |
Ligamentous PTOA | 73.6±20.6 | 18.2-97.7 | 0.83 |
Primary OA* | 71.9±19.7 | 3.4-100.0 | |
Visual analog pain score | Mean ± SD | Range | p value |
Preoperative VAS | |||
Fracture PTOA | 8.3 ± 1.4 | 6.0-10.0 | 0.64 |
Ligamentous PTOA | 8.0 ± 1.3 | 4.0-10.0 | 0.99 |
Primary OA* | 8.0 ± 1.3 | 3.0-10.0 | |
Postoperative VAS | |||
Fracture PTOA | 2.1 ± 1.8 | 0.0-6.0 | 0.019 |
Ligamentous PTOA | 1.7 ± 1.8 | 0.0-8.0 | 0.063 |
Primary OA* | 1.3 ± 1.7 | 0.0-10.0 | |