Table 1.
Accuracies of different diagnostic tests based on pooled data of different studies of patients with bleeding peptic ulcers [78].
| Diagnostic test | Number of studies | Pooled patients | Sensitivity | Specificity | Positive LR | Negative LR |
|---|---|---|---|---|---|---|
| RUT | 16 | 1,417 | 0.67 | 0.93 | 9.6 | 0.31 |
| Histology | 10 | 827 | 0.70 | 0.90 | 6.7 | 0.23 |
| Culture | 3 | 314 | 0.45 | 0.98 | 19.6 | 0.31 |
| UBT | 8 | 520 | 0.93 | 0.92 | 9.5 | 0.11 |
| Stool Ag | 6 | 377 | 0.87 | 0.70 | 2.3 | 0.2 |
| Serology | 9 | 803 | 0.88 | 0.69 | 2.5 | 0.25 |
Ag: antigen; LR: likelihood ratio; RUT: rapid urease test; UBT: urea breath test.