Table 4.
Clinical characterization in LUAD low-risk and high-risk subtypes.
| Low-Risk (n = 166) | High-Risk (n = 198) | ||
|---|---|---|---|
| Age at initial pathologic diagnosis (age) | 65.5 ± 9.8 | Age at initial pathologic diagnosis (age) | 65.6 ± 10.2 |
| Tumor stage * | (No.) | Tumor stage * | (No.) |
| Discrepancy | 1 | Discrepancy | 2 |
| Stage I | 2 | Stage I | 2 |
| Stage IA | 47 | Stage IA | 50 |
| Stage IB | 48 | Stage IB | 53 |
| Stage II | 0 | Stage II | 1 |
| Stage IIA | 20 | Stage IIA | 19 |
| Stage IIB | 14 | Stage IIB | 29 |
| Stage IIIA | 21 | Stage IIIA | 31 |
| Stage IIIB | 3 | Stage IIIB | 4 |
| Stage IV | 10 | Stage IV | 7 |
| Gender | (No.) | Gender | (No.) |
| Male | 82 | Male | 79 |
| Female | 84 | Female | 119 |
| Vital state | (No.) | Vital state | (No.) |
| Alive | 116 | Alive | 117 |
| Dead | 50 | Dead | 81 |
| Overall survival time (days) | 996.0 ± 967.2 | Overall survival time (days) | 730.5 ± 560.0 |
| New tumor event | (No.) | New tumor event | (No.) |
| Yes | 48 | Yes | 83 |
| No | 118 | No | 115 |
| Days to event | 588.9 ± 539.0 | Days to event | 503.7 ± 444.4 |
| Progression-free interval | (No.) | Progression-free interval | (No.) |
| Available | 59 | Available | 88 |
| Progression-free interval time (days) | 836.9 ± 874.2 | Progression-free interval time (days) | 605.8 ± 518.3 |
| Smoking history indicator | (No.) | Smoking history indicator | (No.) |
| 1 | 22 | 1 | 29 |
| 2 | 39 | 2 | 45 |
| 3 | 46 | 3 | 48 |
| 4 | 54 | 4 | 69 |
| 5 | 0 | 5 | 4 |
| NA or unknown | 5 | NA or unknown | 3 |
* American Joint Committee on Cancer (AJCC) pathology states.