Probabilities and costs incorporated into the decision analysis model
| Variable | Baseline value | Range |
|---|---|---|
| Probability of endoscopy after H pylori test and treat | 0.3 | 0.l–0.4 |
| Prevalence of H pylori | 0.33 | 0.05–0.9 |
| Cost of endoscopy | US$240 | US$160–800 |
| Cost of H pylori screening | US$40 | US$24–80 |
| Cost of H pylori treatment | US$34 | US$34–68 |
| Cost of primary care visits and treatment | US$134 |