Table 5.
SCB Values at 6 Months and 1 Year
| Assessment | SCB (Anchor) | Specificity (%) | Sensitivity (%) | AUC |
|---|---|---|---|---|
| 6 Months | ||||
| IKDC | Unable to Compute | |||
| KOOS Symptom | 14.29 | 55.9 | 100.0 | .559 |
| KOOS Pain | 1.39 | 78.8 | 100.0 | .833 |
| KOOS ADL | 25.74 | 38.5 | 85.7 | .569 |
| KOOS Sport | 47.50 | 39.1 | 87.5 | .596 |
| KOOS QOL | 43.66 | 52.0 | 100 | .735 |
| Kujala vs Function | Unable to Compute | |||
| Kujala vs Symptom | 13.50 | 87.2 | 80.0 | .869 |
| KOOS JR vs Pain | 21.43 | 34.0 | 100.0 | .559 |
| KOOS JR vs Symptom | 21.43 | 30.2 | 100.0 | .653 |
| KOOS JR vs ADL | 23.52 | 28.2 | 92.3 | .579 |
| 1 Year | ||||
| IKDC | 23.56 | 80.0 | 100.0 | .886 |
| KOOS Symptom | 4.17 | 83.3 | 100.0 | .917 |
| KOOS Pain | 19.65 | 59.3 | 100.0 | .722 |
| KOOS ADL | 6.50 | 81.8 | 66.7 | .855 |
| KOOS Sport | 55.00 | 50.0 | 100.0 | .767 |
| KOOS QOL | 6.25 | 95.7 | 66.7 | .688 |
| Kujala vs Function | 30.0 | 53.6 | 100.0 | .554 |
| Kujala vs Symptom | 30.0 | 55.2 | 100.0 | .600 |
| KOOS JR vs Pain | 19.62 | 60.6 | 100.0 | .761 |
| KOOS JR vs Symptom | 27.05 | 38.5 | 100.0 | .638 |
| KOOS JR vs ADL | 25.18 | 46.9 | 100.0 | .758 |
Bold indicates AUC > .7; AUC, area under the curve; ADL, activities of daily living; IKDC, International Knee Documentation Committee; KOOS, Knee injury and Osteoarthritis Outcome Score; JR, joint replacement; QOL, quality of life; SCB, substantial clinical benefit.