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Baseline meniscus categories and longitudinal category changes for the index and nonindex compartments in KL4 knees.
| Index compartment N (%) |
Non-index compartment N (%) |
|
|---|---|---|
| Baseline meniscus status category | ||
| 0 | 2 (1.2) | 123 (91.8) |
| 1 | 0 | 1 (0.8) |
| 2 | 3 (1.9) | 8 (6.0) |
| 3 | 3 (1.9) | 2 (1.5) |
| 4 | 138 (85.2) | 0 |
| 5 | 13 (8.0) | 0 |
| 6 | 3 (1.9) | 0 |
| Category change over time | ||
| No change | 146 (96.0) | 123 (95.4) |
| Worsening | 6 (4.0) | 6 (4.6) |
