Table 1. Characteristics of patients harboring uncommon EGFR mutation(s).
| Total population (n=95) | |
|---|---|
| Sex, n (%) | |
| Female | 55 (57.9) |
| Male | 40 (42.1) |
| Median age, years (range) | 68.3 (39–89) |
| Smoking history, n (%) | |
| Never | 34 (35.8) |
| Current or former | 36 (37.9) |
| Missing data | 25 (26.3) |
| Stage, n (%) | |
| I | 6 (6.3) |
| II | 9 (9.5) |
| III | 8 (8.4) |
| IV | 50 (52.6) |
| Missing data | 22 (23.2) |
| Treatment, n (%) | 73 (76.8) |
| Surgical treatment ± systemic therapy | 17a (17.9) |
| Targeted treatment and chemotherapy | 2b (11.8)c |
| Chemotherapy only | 6b (35.3)c |
| Targeted treatment only | 1 (5.9)c |
| Surgery only | 8b (47.1)c |
| Systemic treatment | 56a (58.9) |
| Targeted treatment and chemotherapy | 27 (48.2)c |
| Chemotherapy only | 13 (23.2)c |
| Targeted treatment only | 11b (19.6)c |
| None | 5d (8.9)c |
| Missing data | 22a (23.2) |
aincluding three patients with p.Leu858Arg co-mutation; bincluding one patient with p.Leu858Arg co-mutation; camong those concerned; dincluding two patients patients with p.Leu858Arg co-mutation.