Verification cohort clinicopathological characteristics
| Verification phase | Singaporean | Korean | |||
| Case–control cohort | Case–control cohort | ||||
| Subjects cohort size | Control subjects n=69 | Patients with cancer n=20 | Control subjects n=47 | Patients with cancer n=74 | |
| Gender | Male | 32 (46.4%) | 14 (70.0%) | 35 (74.5%) | 44 (59.5%) |
| Female | 37 (53.6%) | 6 (30.0%) | 12 (25.5%) | 30 (40.5%) | |
| Age | 63.3±8.4 (SD) | 74.8±9.5 (SD) | 26.4±2.7 (SD) | 59.1±10.6 (SD) | |
| Ethnicity | Chinese (%) | 69 (100%) | 20 (100%) | – | – |
| Korean (%) | – | – | 47 (100%) | 74 (100%) | |
| Stages (AJCC 2010) | Stage 0 (%) | – | – | – | – |
| Stage 1 (%) | – | 10 (50.0%) | – | 17 (23.0%) | |
| Stage 2 (%) | – | 3 (15.0%) | – | 21 (28.4%) | |
| Stage 3 (%) | – | 6 (30.0%) | – | 17 (23.0%) | |
| Stage 4 (%) | – | 1 (5.0%) | – | 19 (25.7%) | |
| Unknown (%) | – | – | – | – | |
| Histological subtype | Intestinal | – | – | – | 35 (47.3%) |
| Diffuse | – | – | – | 31 (41.9%) | |
| Mixed | – | – | – | 0 (0.0%) | |
| Unknown | – | – | – | 8 (10.8%) | |
| Gastritis | No | 0 (0%) | 0 (0%) | – | – |
| Yes | 69 (100%) | 12 (60%) | – | – | |
| Unknown | – | 8 (40%) | – | – | |
| Intestinal metaplasia | No | 17 (24.6%) | 0 (0.0%) | – | – |
| Yes | 52 (75.4%) | 10 (50.0%) | – | – | |
| Unknown | – | 10 (50.0%) | – | – | |
| Atrophy | No | 32 (46.4%) | 0 (0.0%) | – | – |
| Yes | 37 (53.6%) | 1 (5.0%) | – | – | |
| Unknown | – | 19 (95.0%) | – | – | |
| H Pylori | No | 18 (26.1%) | 2 (10.0%) | – | – |
| Yes | 51 (73.9%) | 18 (90.0%) | – | – | |