Table 8 Diagnostic accuracy of U/S compared to EMG in detecting CIM
Diagnostic measures | 1st evaluation | 2nd evaluation | ||
|---|---|---|---|---|
Value | 95% CI | Value | 95% CI | |
Sensitivity | 100% | 85.75% to 100% | 100% | 90.75% to 100% |
Specificity | 75% | 47.62% to 92.73% | 0 | 0% to 84.19% |
AUC | 0.88 | 0.73 to 0.96 | 0.5 | 0.34 to 0.66 |
Positive likelihood ratio | 4 | 1.71 to 9.35 | 1 | 1 to 1 |
Negative likelihood ratio | 0 | |||
Disease prevalence | 60% | 43.33% to 75.14% | 95% | 83.08% to 99.39% |
Positive predictive value | 85.71% | 67.33% to 95.97% | 95% | 83.08% to 99.39% |
Negative predictive value | 100% | 73.54% to 100% | ||