Table 2 Frequency tables with percentages
From: Role of dynamic ultrasound versus MRI in diagnosis and assessment of shoulder impingement syndrome
| Â | Full-thickness tear | Infraspinatus tendinopathy | Infraspinatus tear | Subscapularis tendinopathy | ||||
|---|---|---|---|---|---|---|---|---|
Statistic | Value | 95% CI | Value | 95% CI | Value | 95% CI | Value | 95% CI |
Sensitivity | 90.00% | 55.50% to 99.75% | 83.33% | 35.88% to 99.58% | 100.00% | 15.81% to 100.00% | 50.00% | 6.76% to 93.24% |
Specificity | 100.00% | 66.37% to 100.00% | 100.00% | 47.82% to 100.00% | 100.00% | 15.81% to 100.00% | 100.00% | 15.81% to 100.00% |
Negative likelihood ratio | 0.10 | 0.02 to 0.64 | 0.17 | 0.03 to 1.00 | 0.00 | Â | 0.50 | 0.19 to 1.33 |
Disease prevalence | 52.63% | 28.86% to 75.55% | 54.55% | 23.38% to 83.25% | 50.00% | 6.76% to 93.24% | 66.67% | 22.28% to 95.67% |
Positive predictive value | 100.00% | Â | 100.00% | Â | 100.00% | Â | 100.00% | Â |
Negative predictive value | 90.00% | 58.37% to 98.30% | 83.33% | 45.52% to 96.77% | 100.00% | Â | 50.00% | 27.29% to 72.71% |
Accuracy | 94.74% | 73.97% to 99.87% | 90.91% | 58.72% to 99.77% | 100.00% | 39.76% to 100.00% | 66.67% | 22.28% to 95.67% |