From: Role of dynamic ultrasound versus MRI in diagnosis and assessment of shoulder impingement syndrome
 | Biceps teno-synovitis | Joint effusion | Subacromial bursitis | |||
---|---|---|---|---|---|---|
Statistic | Value | 95% CI | Value | 95% CI | Value | 95% CI |
Sensitivity | 100.00% | 79.41% to 100.00% | 94.29% | 80.84% to 99.30% | 93.33% | 77.93% to 99.18% |
Specificity | 100.00% | 79.41% to 100.00% | 100.00% | 89.42% to 100.00% | 100.00% | 87.66% to 100.00% |
Negative likelihood ratio | 0.00 | Â | 0.06 | 0.01 to 0.22 | 0.07 | 0.02 to 0.25 |
Disease prevalence | 50.00% | 31.89% to 68.11% | 51.47% | 39.03% to 63.78% | 51.72% | 38.22% to 65.05% |
Positive predictive value | 100.00% | Â | 100.00% | Â | 100.00% | Â |
Negative predictive value | 100.00% | Â | 94.29% | 81.12% to 98.45% | 93.33% | 78.59% to 98.16% |
Accuracy | 100.00% | 89.11% to 100.00% | 97.06% | 89.78% to 99.64% | 96.55% | 88.09% to 99.58% |