TABLE 1.
Clinicopathologic characteristics of NSCLC discovery cohort (YTMA-423)
| Characteristic | Categories | N (%) | Total (%) |
|---|---|---|---|
| Age | 68 (38–89) | 246 (99.6) | 246 (99.6) |
| Gender | Female | 155 (62.8) | 247 (100) |
| Male | 92 (37.2) | ||
| Race | Asian | 3 (1.2) | 247 (100) |
| Black | 14 (5.7) | ||
| Other | 1 (0.4) | ||
| White | 229 (92.7) | ||
| Smoking status | Current smoker | 59 (23.9) | 247 (100) |
| Former smoker | 154 (62.3) | ||
| Never smoker | 34 (13.8) | ||
| AJCC pathologic stage | IA | 123 (49.8) | 247 (100) |
| IB | 56 (22.7) | ||
| IIA | 32 (13.0) | ||
| IIB | 21 (8.5) | ||
| IIIA | 14 (5.7) | ||
| IV | 1 (0.4) | ||
| Chemotherapy | Unknown | 2 (0.8) | 247 (100) |
| No | 195 (78.9) | ||
| Yes – Adjuvant after complete resection | 45 (18.2) | ||
| Yes – Definitive regimen, + residual tumor | 1 (0.4) | ||
| Yes – Neoadjuvant (prior to resection) | 4 (1.6) | ||
| Family cancer history | Unknown | 1 (0.4) | 247 (100) |
| No | 86 (34.8) | ||
| Yes | 160 (64.8) | ||
| Surgery | No | 0 (0) | 247 (100) |
| Yes | 247 (100) | ||
| Histology | Squamous | 57 (23.1) | 247 (100) |
| Adenocarcinoma | 181 (73.3) | ||
| Other | 9 (3.6) |