Table 3.
MRI and clinical observations throughout the study period for patients with lesions in the medial femoral condyle
| Before treatment | 3 months | 6 months | Final follow-up | |
|---|---|---|---|---|
| WOMAC score | ||||
| ESWT (n = 27) | 53.47 ± 12.11 | 85.95 ±7.33 | 86.11 ± 7.3 | 86.04 ± 7.59 |
| Control (n = 17) | 51.93 ± 8.84 | N/A | 62.39 ± 6.94 | 63.56 ± 7.48 |
| VAS score | ||||
| ESWT (n = 27) | 7.81 ± 1.33 | 1.49 ±1.87 | 1.26 ± 1.91 | 1.35 ± 1.5 |
| Control (n = 17) | 7.70 ± 0.95 | N/A | 4.76 ± 1.26 | 4.52 ± 1.19 |
| BME area on MRI, mm2 | ||||
| ESWT (n = 27) | 804.94 ± 292.22 | N/A | 162.35 ± 145.59 | N/A |
| Control (n = 17) | 752.74 ± 152.15 | N/A | 418.36 ± 160.1 | N/A |
WOMAC, Western Ontario and McMaster Universities Arthritis Index; ESWT, extracorporeal shock wave therapy; VAS, Visual Analog Scale; BME, bone marrow edema; MRI, magnetic resonance imaging.