Table 3 Thresholds, percentage of patients who will be called with the given threshold, specificity, sensitivity and area under curve (AUC) for OKS and ΔOKS anchored to patient-perceived satisfaction, function and either satisfaction or function with a cut-off of 70. True positives is the amount of patients who should be called according to the cut-off value
TKR: Cut-off value 70 | |||||
|---|---|---|---|---|---|
Anchor | Threshold | Called (%) | Specificity | Sensitivity | AUC |
Satisfaction (n = 9) | |||||
Post-operative OKS | 35.5 | 36.8 | 0.71 | 0.78 | 0.78 |
ΔOKS | 13.5 | 42.1 | 0.65 | 0.78 | 0.76 |
Function (n = 12) | |||||
Post-operative OKS | 35.5 | 36.8 | 0.76 | 0.83 | 0.85 |
ΔOKS | 13.5 | 42.1 | 0.69 | 0.83 | 0.84 |
Satisfaction or function (n = 15) | |||||
Post-operative OKS | 35.5 | 36.8 | 0.79 | 0.80 | 0.87 |
ΔOKS | 14.5 | 49.1 | 0.67 | 0.93 | 0.83 |