Table 1.
The demographic characteristics of different patient cohorts.
| Category | n (%) | ||
|---|---|---|---|
| Discovery cohort | Reference cohort | Validation cohort | |
| 43 Asian MPC patients | 113 reference Asian LADC patients | 183 European LADC patients | |
| Median age, years (range) | 67 (39–79) | 59 (27–80) | 66 (36–87) |
| Gender | |||
| Male | 20 (46.5) | 50 (44.2) | 95 (51.9) |
| Female | 23 (53.5) | 56 (49.6) | 88 (48.1) |
| NA | 0 (0) | 7 (6.2) | 0 (0) |
| Disease stage | |||
| I–III | 39 (90.7) | 89 (78.8) | 148 (80.9) |
| IV | 4 (9.3) | 24 (21.2) | 10 (5.5) |
| NA | 0 (0) | 0 (0) | 25 (13.6) |
| Smoking history | |||
| Yes | 10 (23.3) | 1 (0.9) | 135 (73.8) |
| No | 33 (76.7) | 2 (1.8) | 27 (14.8) |
| NA | 0 (0) | 110 (97.3) | 21 (11.4) |
| Ethnicity | |||
| Asian | 43 (100) | 113 (100) | 10 (5.5) |
| European | 0 (0) | 0 (0) | 169 (92.3) |
| Others | 0 (0) | 0 (0) | 4 (2.2) |