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Diagnostic accuracy of strain ratio and elastography
| Strain ratio (SR)>17 | Elastography>2 | Combined elastography and SR = 17 | |
|---|---|---|---|
| Sensitivity | 94.8% | 90% | 96% |
| Specificity | 57.4% | 39% | 53.4% |
| Positive predictive value | 65.71% | 46% | 63.8% |
| Negative predictive value | 94.12% | 58.14% | 93.75% |
| Diagnostic accuracy | 74% | 67.31% | 75% |
