Table 4.
Clinical Outcomes.
| Number of subjects analyzed with score | Preoperative | One year | Two years | Final follow-up | |
|---|---|---|---|---|---|
| Tegner activity score | |||||
| MFx | 176 | 3.1 ± 0.98 | 3.0 ± 0.0 | 5.8 ± 2.8 | 5.7 ± 0.89 at 6.1 years |
| ACI | 195 | 2.7 ± 0.81 | 4.6 ± 0.8 | 5.4 ± 1.8 | 6.4 ± 1.3 at 5.4 years |
| OAT | 42 | 2.2 ± 0.78 | 5.0 ± 0.0 | 5.2 ± 0.0 | 5.3 ± 0 at 5.8 years |
| IKDC subjective score | |||||
| MFx | 106 | 45.6 ± 7.5 | 66.3 ± 8.9 | 72.6 ± 11.0 | 75.5 ± 3.3 at 5.0 years |
| ACI | 179 | 42.8 ± 5.0 | 68.8 ± 6.2 | 82.6 ± 8.2 | 76.7 ± 16 at 4.9 years |
| OAT | 76 | 47.2 ± 4.9 | 78.9 ± 10.0 | 79.1 ± 9.1 | 84.0 ± 7.1 at 3.1 years |
| Lysholm score | |||||
| MFx | 196 | 51.2 ± 9.4 | 82.5 ± 0.71 | 74.0 ± 7.1 | 83.9 ± 3.2 at 4.9 years |
| ACI | 214 | 49.1 ± 14.0 | 73.7 ± 13.00 | 78.7 ± 10.0 | 77.0 ± 7.6 at 3.2 years |
| OAT | 42 | 40.9 ± 17.0 | 68.3 ± 0.00 | 72.7 ± 0.0 | 84.8 ± 0 at 3.9 years |
| KOOS sports subscore | |||||
| MFx | 9 | 26.1 ± 0.0 | 42.2 ± 0.0 | 51.7 ± 0.0 | nr |
| ACI | 244 | 27.1 ± 1.9 | 58.3 ± 20.0 | 62.3 ± 14.0 | 61.4 ± 7.8 at 3.6 years |
| OAT | 0 | nr | nr | nr | nr |
| SF-36 PCS | |||||
| MFx | 97 | 37.8 ± 2.4 | 44.6 ± 2.8 | 47.3 ± 3.4 | 49.5±3.5 at 3.8 years |
| ACI | 284 | 38.1 ± 3.8 | 45.9 ± 5.7 | 46.1 ± 4.3 | 46.9±2.2 at 3.9 years |
| OAT | 48 | 39.4 ± 0.0 | 48.5 ± 0.0 | 53.5 ± 0.0 | 52.3±0.0 at 3.1 years |
| Marx activity score | |||||
| MFx | 48 | 7.3 ± 5.4 | 4.1 ± 1.1 | 3.7 ± 1.6 | 2.9 ± 2.5 at 4.4 years |
| ACI | 0 | nr | nr | nr | nr |
| OAT | 48 | 6.4 ± 6.4 | 5.2 ± 2.3 | 7.3 ± 1.2 | 8.6 ± 2.3 at 3.1 years |
Note: MFx = microfracture; ACI = autologous chondrocyte implantation; OAT = osteochondral autograft transfer; nr = not recorded; IKDC = International Knee Documentation Committee; KOOS = Knee Injury and Osteoarthritis Outcome Score; SF-36 PCS = Short-Form-36 Physical Component Summary.