| Training group (n = 155) | External testing set\(^a\) (n = 22) | External testing set\(^b\) (n = 16) | |
---|---|---|---|---|
Age | ||||
 Median(range) | 57 (46–78) | 56 (43-77) | 58 (48–81) | |
Sex | Â | Â | Â | |
 Male | 90 (58.06%) | 10 (45.45%) | 8 (50.00%) | |
 Female | 65 (41.94%) | 12 (54.55%) | 8 (50.00%) | |
EGFR Status | Â | Â | Â | |
 Mutant | 83 (53.55%) | 12 (54.55%) | 9 (56.25%) | |
 Wild | 72 (46.45%) | 10 (45.45%) | 7 (43.75%) |