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Evaluation of the bear hug semiological test, taking pain and weakness as positive (results 1 + 2) or weakness alone as positive (result 2). The sensitivity, specificity, positive predictive value, negative predictive value and accuracy were calculated.
| Bear hug (pain and weakness) | Bear hug (weakness alone) | |
|---|---|---|
| Sen (%) | 75 | 12,5 |
| Spec (%) | 56 | 92 |
| PPV (%) | 62 | 60 |
| NPV (%) | 70 | 52 |
| Accuracy (%) | 65 | 53 |
Sen: sensitivity; Spec: specificity; PPV: positive predictive value; NPV: negative predictive value.
