Table 3. Reliability analysis of the Lequesne and FABREX tests for the diagnosis of middle gluteus tendinopathy. Accuracy measures and coefficient Kappa.
| Test/Result | Tendinopathy gluteus minimus | Sens. (%) | Spec. (%) | PPV+ (%) | NPV- (%) | Accuracy (%) | Kappa | |||
|---|---|---|---|---|---|---|---|---|---|---|
| present | absent | value | p-value | |||||||
| LEQUESNE | pos | 17 | 3 | 65.4 | 87.5 | 85 | 70 | 76 | 0.52 | 0.0001 |
| neg | 9 | 21 | ||||||||
| Proposed PHASE 3 | pos | 21 | 2 | 80.8 | 91.7 | 91.3 | 81.5 | 86.0 | 0.72 | < 0.0001 |
| neg | 5 | 22 | ||||||||
Sens: sensitivity; Spec: specificity; PPV+: positive predictive value; NPV−: negative predictive value; Accuracy: percentage of positive and negative concordances.