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Comparation of our results of the sensitivity, specificity, positive predictive value, negative predictive value of MCA/UA ratio with those of the study of Gramellini et al.
| Sensitivity | Specificity | Positive predictive value | Negative predictive value | |
| Gramellini D | 68.0% | 98.4% | 94.4% | 88.0% |
| Our study | 98% | 66% | 30.8% | 99.7% |
