| Description: | H. pylori Definition II seropositivity for Helicobacter pylori |
| Category: | Biological samples ⏵ Blood assays ⏵ Infectious Diseases |
| Biomarkers |
| Participants | 9,683 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jun 2018 | |||
| Item count | 9,960 | Item Type | Data | Instances | Defined (2) | Version | Jun 2018 | |||
| Stability | Accruing | Strata | Derived | Array | No | Cost Tier | o1 s2 |
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Instance 1 : First repeat assessment visit (2012-13)
537 participants, 537 items
Defined as positive if: two or more of antigen VacA > 100, antigen OMP > 170, antigen GroEL > 80, antigen Catalase > 180, antigen UreA > 130.
The CagA antigen was excluded from the data generated in the 2nd week because of a lab-based handling mistake. Hence, this second definition is available without the CagA antigen.
| Preview | Name | Res ID |
|---|---|---|
 | Serological measurement of infectious disease pathogens | 1348 |
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