Cross-tabulation of knee OA at baseline versus the 6-year MRI
| Knee OA on baseline MRI | ||||
|---|---|---|---|---|
| No | Yes | Total | ||
| Knee OA on 6-year MRI | No | 30 | − | 30 |
| Yes, new knee OA | 12 | − | 12 | |
| Yes, stable existing knee OA | − | 2 | 2 | |
| Yes, progression existing knee OA | − | 3 | 3 | |
| Total | 42 | 5 | 47 | |
OA, osteoarthritis.