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| Parameter | Variable | Knees (No.) | % (No.) Knees With Excellent Results |
|---|---|---|---|
| Symptoms | Mechanical (sudden onset) | 26 | 65.4 (17) |
| Loading (gradual onset) | 45 | 28.9 (13) | |
| Motion | Full range | 28 | 64.3 (18) |
| Limited range | 43 | 27.9 (12) | |
| Outerbridge classification | Grades I and II | 9 | 77.7 (7) |
| Grade III | 20 | 50.0 (10) | |
| Grade IV | 42 | 31.0 (13) | |
| Damage location | Unicompartmental | 36 | 50.0 (18) |
| Bicompartmental | 29 | 38.0 (11) | |
| Tricompartmental | 6 | 16.6 (1) |
