Patient characteristics: N = 215; mean (SD) age of patients was 60.6 (7.5) y.
| CHARACTERISTIC | N (%) |
|---|---|
| Women | 110 (51.2) |
| Right knee affected | 115 (53.5) |
| Physician ordering MRI | |
| • GP | 148 (68.8) |
| • Rheumatologist | 10 (4.7) |
| • OS | 55 (25.6) |
| • Other | 2 (0.9) |
| Pre-MRI radiography findings (n = 201) | |
| • Mild OA | 104 (51.7) |
| • Moderate to severe OA | 40 (19.9) |
| • With standing AP view | 0 (0.0) |
| Radiography in the past 24 mo (n = 82) | |
| • Findings of mild OA | 41 (50.0) |
| • Findings of moderate to severe OA | 8 (9.8) |
| • With standing AP view | 31 (37.8) |
AP—anteroposterior, MRI—magnetic resonance imaging, OA—osteoarthritis, OS—orthopedic surgeon.