Table 2 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 50. True positives is the amount of patients who should be called according to the cut-off value
Cut-off value 50 | |||||
|---|---|---|---|---|---|
Anchor | Threshold | Called (%) | Specificity | Sensitivity | AUC |
Satisfaction (n = 5) | |||||
Post-operative OKS | 34.5 | 31.6 | 0.75 | 1.00 | 0.88 |
ΔOKS | 9.5 | 22.8 | 0.83 | 0.80 | 0.86 |
Function (n = 5) | |||||
Post-operative OKS | 32.5 | 24.6 | 0.81 | 0.80 | 0.85 |
ΔOKS | 9.5 | 22.8 | 0.83 | 0.80 | 0.89 |
Satisfaction or function (n = 9) | |||||
Post-operative OKS | 34.5 | 31.6 | 0.78 | 0.88 | 0.87 |
ΔOKS | 9.5 | 22.8 | 0.86 | 0.75 | 0.88 |