GastroAGIH. pylori Screening – Population Strategy Non-invasive tests preferred:
🔹 13C-UBT & Monoclonal HpSA (H.Pylori Stool Antigen) ✅
🔹 13C-UBT: Sensitivity 95%, Specificity 95%
🔹 HPSA: Sensitivity 94%, Specificity 97%
🧪 Stop PPIs/PCABs 2 wks, antibiotics/bismuth 4 wks before testing.
Choice depends on cost, logistics & patient comfort.