| False positive (FP) = | LFIA positive, although the amatoxin concentration was below the cut-off value |
| False negative (FN) = | LFIA negative, although the amatoxin concentration was above the cut-off value |
| Diagnostic sensitivity = | TP/(TP + FN) |
| Diagnostic specificity = | TN/(TN+ FP) |
| Single-study diagnostic efficiency = | (TP + TN)/(TP |
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