Table 1.
Clinical characteristics of the patients*
| Factor | TCGA cohort I | TCGA cohort II | MCTP cohort |
|---|---|---|---|
| No. of patients | 255 | 157 | 67 |
| Age, y, mean (SD) | 65.3 (10) | 65.3 (10.5) | 68.3 (10) |
| Female sex, No. (%) | 134 (52.5) | 88 (56.1) | 36 (53.7) |
| Median survivor follow-up, mo | 19.3 | 20.0 | 33 |
| Smoking history, No. (%) | |||
| Yes | 211 (82.7) | 128 (81.5) | NR |
| No | 35 (13.7) | 24 (15.2) | NR |
| Unknown | 9 (3.5) | 5 (3.2) | NR |
| Stage, No. (%) | |||
| I | 139 (54.5) | 88 (56.1) | 40 (59.7) |
| IA | 63 (24.7) | 55 (35.0) | NR |
| IB | 74 (29.0) | 30 (19.1) | NR |
| II | 59 (23.13) | 40 (25.5) | 13 (19.4) |
| IIA | 25 (9.8) | 19 (12.1) | NR |
| IIB | 34 (13.3) | 21 (13.4) | NR |
| III | 43 (16.9) | 24 (15.2) | 14 (20.9) |
| IIIA | 38 (14.9) | 20 (12.7) | NR |
| IIIB | 5 (1.9) | 4 (2.5) | NR |
| IV | 14 (5.5) | 4 (2.5) | 0 |
*MCTP = Michigan Center for Translational Pathology; NR = not recorded; TCGA = The Cancer Genome Atlas.