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A member asked:
Hpylori was notfound in my blood , what about inside my stomach and my stool, will the result be same or different?
A doctor has provided 1 answer
Probably the same...: In general, blood or serum based H pylori have a good sensitivity (around 85%), meaning that they do a good job of detecting the infection if it is present. Stool antigen testing is slightly better (with a sensitivity of 90-95%). Direct sampling "inside your stomach" via endoscopy has the highest sensitivity (>95%). [All data summarized from the American Gastroenterological Assoc. guidelines]
Answered 9/1/2014
3.7k views
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