Table 2.
Percent positive for Helicobacter pylori by test type among 280 patients enrolled in Anchorage, Alaska for an Helicobacter pylori reinfection study, 1999-2000
| Test type | % H. pyloripositive (n/N) | |
| Histology | Antrum | 49% (135/278) |
| Fundus | 46% (124/271) | |
| Combined | 50% (140/280) | |
| Culture | Antrum | 48% (133/275) |
| Fundus | 50% (136/273) | |
| Combined | 51% (144/280) | |
| CLO test®1 | 49% (138/280) | |
| Gold standard2 | 53% (149/280) | |
| 13C-UBT3 | 55% (155/280) | |
| Anti-HP IgG | Indeterminates considered negative | 60% (168/280) |
| Indeterminates considered positive | 67% (188/280) | |
| Indeterminates removed | 65% (168/260) |
1Rapid urease test, Ballard Medical Products.
A positive culture or in the case of a negative culture, a positive histology result and a positive campylobacter-like organism (CLO) test®.
C urea breath test (UBT)3, BreathTekTM, Meretek Diagnostics Inc. H. pylori: Helicobacter pylori; Anti-HP IgG: Antibodies to H. pylori immunoglobulin G.