| Values | 95% CI | Values | 95% CI | ||
| SENS | 1.000 | 0.359 to 1.00 | SENS | 1.000 | 0.284 to 1.000 |
| SPEC | 1.000 | 0.934 to 1.00 | SPEC | 0.996 | 0.992 to 0.999 |
| PREV | 0.058 | 0.019 to 0.13 | PREV | 0.002 | 0.001 to 0.006 |
| PPV | 1.000 | 0.271 to 0.605 | PPV | 0.400 | 0.122 to 0.738 |
| NPV | 1.000 | 0.891 to 0.999 | NPV | 1.000 | 0.997 to 1.000 |
| LR+ | Inf | NaN–Inf | LR+ | 268.000 | 120.582 to 595.645 |
| LR− | 0.000 | 0.000–NaN | LR− | 0.140 | NaN |
| MCC | 1.000 | 0.670 to 1.000 | MCC | 0.631 | 0.339 to 0.631 |
AE, acute encephalopathy; AST, aspartate aminotransferase; Inf, infinite; LR−, negative likelihood ratio; LR+, positive likelihood ratio; MCC, Matthews correlation coefficient; NPV, negative predictive value; NaN, not a number; PPV, positive predictive value; PREV prevalence; SENS, sensitivity; SPEC, specificity.