Table 1.
Detailed patient clinical characteristics.
| Characteristics | Training set | Testing set 1 | Testing set 2 |
|---|---|---|---|
| Source | TCGA | GSE31210 | GSE68465 |
| Sample size | 400 | 219 | 356 |
| Platform | RNA-seq | Affymetrix Human Genome U133 Plus 2.0 Array |
Affymetrix Human Genome U133A Array |
| AJCC stage | |||
| IA | 130 (32.5) | 112 (51.1) | 112 (31.5) |
| IB | 143 (35.8) | 53 (24.2) | 155 (43.5) |
| II | — | 54 (24.7) | — |
| IIA | 57 (14.2) | — | 24 (6.7) |
| IIB | 70 (17.5) | — | 65 (18.3) |
| Age group | |||
| ≤ 65 | 190 (47.5) | 170 (77.6) | 186 (52.2) |
| > 65 | 201 (50.2) | 49 (22.4) | 170 (47.8) |
| Smoking history | |||
| Non-smoker | 57 (14.2) | 112 (51.1) | 40 (11.2) |
| Ever-smoker | 333 (83.2) | 107 (48.9) | 243 (68.3) |
| Unknown | 10 (2.5) | — | 73 (20.5) |
| Gender | |||
| Male | 177 (45.6) | 103 (46.4) | 175 (49.2) |
| Female | 211 (54.4) | 119 (53.6) | 181 (50.8) |
| Survival status | |||
| Alive | 273 (68.2) | 186 (84.9) | 189 (53.1) |
| Dead | 127 (31.8) | 33 (15.1) | 167 (46.9) |
| Genome alteration | |||
| ≤ 0.2 | 170 (42.5) | — | — |
| > 0.2 | 229 (57.2) | — | — |
| Unknown | 1 (0.2) | — | — |
Values in parentheses are percentages.