Table 2. Reliability analysis of the Lequesne and FABREX tests for the diagnosis of middle gluteus tendinopathy. Accuracy measures and coefficient Kappa.
| Test/Result | Tendinopathy gluteus medius | Sens. (%) | Spec. (%) | PPV+ (%) | NPV- (%) | Accuracy (%) | Kappa | |||
|---|---|---|---|---|---|---|---|---|---|---|
| present | absent | value | p-value | |||||||
| LEQUESNE | pos | 11 | 9 | 78.6 | 75 | 55 | 90 | 76 | 0.47 | 0.0005 |
| neg | 3 | 27 | ||||||||
| Proposed PHASE 3 | pos | 12 | 11 | 85.7 | 69.4 | 52.2 | 92.6 | 74 | 0.46 | 0.0004 |
| neg | 2 | 25 | ||||||||
Sens: sensitivity; Spec: specificity; PPV+: positive predictive value; NPV−: negative predictive value; Accuracy: percentage of positive and negative concordances.