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Optimized 13C‐urea breath test threshold level in the tested population
| N (%) | Cutoff (DOB) | H. pylori‐positive | H. pylori‐negative | |||
|---|---|---|---|---|---|---|
| N (%) | Mean DOB (SD) | N (%) | Mean DOB (SD) | |||
| All | 234831 (100) | 2.74 | 112310 (47.8) | 19.54 (14.95) | 122521 (52.2) | 0.66 (0.51) |
| Male | 87291 (37.2) | 2.23 | 42604 (48.8) | 15.29 (13.26) | 44687 (51.2) | 0.56 (0.44) |
| Female | 147540 (62.8) | 3.05 | 69979 (47.4) | 22.06 (15.34) | 77561 (52.6) | 0.71 (0.53) |
DOB, delta over baseline; SD, standard deviation.
