Clinical decision tool | Cohort | Sensitivity (95% CI) | Specificity (CI) | +LR | −LR |
---|---|---|---|---|---|
*LR = likelihood ratio; DER = derivation; VAL = validation. Diagnostic terms defined in glossary. LRs calculated from data in article. | |||||
Pre-endoscopic serological testing (PST) only | DER | 94% | 97% | 31 | 0.06 |
VAL | 91% | 91% | 10 | 0.1 | |
PST + duodenal biopsy for high risk group | VAL | 100% (95 to 100) | 61% (59 to 63) | 2.6 | 0 |