Table 4.
Risk Factors for Clinical or Surgical Failure a
| No. of Events/Total Cases | Survival Rate, % | P Value | Hazard Ratio (95% CI) | |||||
|---|---|---|---|---|---|---|---|---|
| 2 y | 5 y | 10 y | 15 y | Overall | ||||
| Overall | 47/156 | 95.5 | 91.6 | 77.2 | 60.1 | 69.9 | ||
| Outerbridge grade | ||||||||
| 0-2 | 16/80 | 97.5 | 97.5 | 85.6 | 77.9 | 80.0 | ||
| 3-4 | 31/76 | 93.4 | 85.4 | 68.5 | 38.5 | 59.2 | .000 | 2.8 (1.5-4.9) |
| Time from meniscectomy to CMI | ||||||||
| ≤ 1 y | 9/41 | 92.7 | 92.7 | 89.6 | 80.8 | 78.0 | ||
| 1-10 y | 15/60 | 98.3 | 96.6 | 75.2 | 63.7 | 75.0 | 1.7 (0.9-3.5) | |
| >10 y | 23/55 | 92.7 | 87.3 | 69.1 | 41.6 | 58.2 | .020 | 2.8 (1.4-5.6) |
a
CMI, collagen meniscal implant.