Baseline characteristics of 279 patients with premalignant gastric lesions
| Variable | |
| Gender, n (%) | |
| Male | 137 (49) |
| Female | 142 (51) |
| Mean age (SD) | 57.9 (11.4) |
| Ethnicity (%) | |
| Caucasian | 233 (84) |
| Non-Caucasian | 43 (16) |
| Missing | 3 (1) |
| BMI, kg/m2 *, (SD) | 26.1 (4.3) |
| Missing | 16 (6) |
| Smoking* (%) | |
| No | 204 (75) |
| Yes | 68 (25) |
| Missing | 7 (3) |
| Alcohol * (%) | |
| No | 126 (48) |
| Yes | 136 (52) |
| Missing | 17 (6) |
| Family history of gastric cancer (%) | |
| No | 183 (72) |
| Yes | 71 (28) |
| Missing | 25 (9) |
| Helicobacter pylori infection† (%) | |
| Negative | 201 (74) |
| Positive | 70 (26) |
| Missing | 8 (3) |
| Most severe lesion (%) | |
| Atrophic gastritis | 11 (4) |
| Slight IM | 79 (28) |
| Moderate IM | 112 (40) |
| Severe IM | 53 (19) |
| Low- grade adenoma/dysplasia (LGD) | 23 (8) |
| High- grade adenoma/dysplasia (HGD) | 1 (0.4) |
| OLGIM classification (%) | |
| 0 | 11 (6) |
| I | 66 (35) |
| II | 58 (30) |
| III | 38 (20) |
| IV | 17 (9) |
| Missing | 89 (32) |
*At T1.
†Based on histology at index endoscopy.
‡Only applicable if biopsies in antrum and corpus were taken at baseline.
BMI, body mass index; IM, intestinal metaplasia; OLGIM, operative link on intestinal metaplasia.