Table 2.
Demographics and tumor characteristics of patients with gastric cancer in TCGA-STAD project.
| Characteristics | Number of patients | Percent (%) |
|---|---|---|
| Gender | ||
| Male | 175 | 67.2 |
| Female | 54 | 32.8 |
| Race | ||
| Asian | 69 | 30.1 |
| White | 135 | 58.9 |
| Black or African American | 10 | 4.4 |
| Unknown | 15 | 6.6 |
| Family cancer history | ||
| Yes | 14 | 7.0 |
| No | 185 | 93.0 |
| New tumor event | ||
| Yes | 48 | 21.0 |
| No | 181 | 79.0 |
| Tumor grade | ||
| 1 | 7 | 3.1 |
| 2 | 90 | 39.3 |
| 3 | 127 | 55.4 |
| 4 | 5 | 2.2 |
| Pathological tumor stage | ||
| Stage I | 30 | 13.5 |
| Stage II | 65 | 29.3 |
| Stage III | 107 | 48.2 |
| Stage IV | 20 | 9.0 |
| Age at initial pathologic diagnosis | ||
| 30-50 (including 30) | 16 | 8.8 |
| 50-70 (including 50) | 94 | 51.6 |
| 70-90 (including70) | 71 | 39.0 |
| 90+ (including 90) | 1 | 0.6 |