Prospective validation cohort clinicopathological characteristics
| Singaporean | |||
| Validation phase | Prospective cohort | ||
| Subjects cohort size | Control subjects | Patients with cancer | |
| n=4441 | n=125 | ||
| Gender | Male | 2346 (52.83%) | 76 (60.80%) |
| Female | 2095 (47.17%) | 49 (39.20%) | |
| Age | 57.17±10.48 (SD) | 56.90±10.31 (SD) | |
| Ethnicity | Chinese (%) | 3394 (76.42%) | 96 (76.80%) |
| Malay (%) | 325 (7.32%) | 7 (5.60%) | |
| Indian (%) | 369 (8.31%) | 9 (7.20%) | |
| Others (%) | 353 (7.95%) | 13 (10.40%) | |
| Stages (AJCC 2010) | Stage 0 (%) | – | 10 (8.00%) |
| Stage 1 (%) | – | 16 (12.80%) | |
| Stage 2 (%) | – | 20 (16.00%) | |
| Stage 3 (%) | – | 31 (24.80%) | |
| Stage 4 (%) | – | 38 (30.40%) | |
| Unknown (%) | – | 10 (8.00%) | |
| Histological subtype | Intestinal | – | 39 (31.2%) |
| Diffuse | – | 30 (24%) | |
| Mixed | – | 13 (10.4%) | |
| Unknown | – | 43 (34.4%) | |
| Intestinal metaplasia | No | 1936 (43.6%) | 29 (23.2%) |
| Yes | 609 (13.7%) | 55 (44%) | |
| Unknown | 1896 (42.7%) | 41 (32.8%) | |
| Atrophy | No | 2505 (56.4%) | 42 (33.6%) |
| Yes | 37 (0.833%) | 5 (4%) | |
| Unknown | 1899 (42.8%) | 78 (62.4%) | |
| Helicobacter pylori | No | 2015 (45.37%) | 21 (16.80%) |
| Yes | 2426 (54.63%) | 104 (83.20%) | |
AJCC, American Joint Committee on Cancer.