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Demographic information on subjects in the validation phase (n = 200).
| Demographic variable | Characteristic | Validation phase | ||
|---|---|---|---|---|
| GC (n = 100) | Non-GC (n = 100) | P value | ||
| Age, years | Mean ± SD | 51.9 ± 9.2 | 55.7 ± 8.1 | 0.003 |
| Gender, n (%) | Male | 79 (79.0) | 47 (47.0) | <0.001 |
| Female | 21 (21.0) | 53 (53.0) | ||
| Ethnicity, n (%) | Asian | 100 (100) | 100 (100) | |
| Smoking, n (%) | 66 (44.0) | 33 (33.0) | <0.001 | |
| Drinking, n (%) | 55 (55.0) | NA | ||
| H. pylori, n (%) | NAa | NA | ||
NA, not available.
