| Single mutation | Compound mutation | ||||
---|---|---|---|---|---|---|
G719X (n = 4) | L861Q (n = 5) | Exon 20 Ins (n = 6) | Combine with uncommon mutation (n = 7)a | Del19 plus L858R (n = 2) | Combine with de novo T790 M (n = 4) | |
Median age (years) | 72.5 | 69 | 68.5 | 68 | 59 and 80 | 65 |
Sex | ||||||
 Female | 1 | 1 | 4 | 2 | 0 | 2 |
 Male | 3 | 4 | 2 | 5 | 2 | 2 |
Smoking history | ||||||
 Yes | 3 | 3 | 2 | 4 | 1 | 1 |
 No | 1 | 2 | 4 | 3 | 1 | 3 |
Extra-pulmonary metastasis | ||||||
 Yes | 2 | 2 | 6 | 1 | 1 | 4 |
 No | 2 | 3 | 0 | 3 | 1 | 0 |
Present of CNS metastasis | ||||||
 Yes | 1 | 1 | 0 | 1 | 0 | 2 |
 No | 3 | 4 | 6 | 6 | 2 | 2 |