Discovery cohort clinicopathological characteristics
| Singaporean | |||
| Discovery phase | Case–control cohort | ||
| Subjects cohort size | Control subjects n=236 | Patients with cancer n=236 | |
| Gender | Male | 150 (63.3%) | 148 (62.7%) |
| Female | 87 (36.7%) | 88 (37.3%) | |
| Age | 61.2±8.4 (SD) | 68.0±10.9 (SD) | |
| Ethnicity | Chinese (%) | 236 (100%) | 236 (100%) |
| Stages (AJCC 2010) | Stage 0 (%) | – | – |
| Stage 1 (%) | – | 71 (30.1%) | |
| Stage 2 (%) | – | 36 (15.3%) | |
| Stage 3 (%) | – | 54 (22.9%) | |
| Stage 4 (%) | – | 75 (31.8%) | |
| Unknown (%) | – | – | |
| Histological subtype | Intestinal | – | 134 (56.8%) |
| Diffuse | – | 70 (29.7%) | |
| Mixed | – | 32 (13.6%) | |
| Unknown | – | – | |
| Gastritis | No | 7 (3.0%) | 36 (15.3%) |
| Yes | 230 (97.0%) | 200 (84.7%) | |
| Unknown | – | – | |
| Intestinal metaplasia | No | 116 (48.9%) | 75 (31.8%) |
| Yes | 121 (51.1%) | 161 (68.2%) | |
| Unknown | – | – | |
| Atrophy | No | 133 (56.1%) | 215 (91.1%) |
| Yes | 104 (43.9%) | 21 (8.9%) | |
| Unknown | – | – | |
| Helicobacter pylori | No | 105 (44.3%) | 50 (21.2%) |
| Yes | 132 (55.7%) | 186 (78.8%) | |