Difference in EGFR mutations among lung adenocarcinoma patients
| Wild-type | Del-19 | L858R | Uncommon | Total | |
| Age years | |||||
| ≤50 | 68 (42.2) | 37 (23.0) | 34 (21.1) | 22 (13.7) | 161 |
| >50 | 298 (33.9) | 252 (28.7) | 254 (28.9) | 74 (8.4) | 878 |
| Total | 366 (35.2) | 289 (27.8) | 288 (27.7) | 96 (9.2) | 1039 |
Data are presented as n (%) or n. p = 0.043 for lung adenocarcinoma patients aged ≤50 versus >50 years for positive and negative EGFR mutations. p = 0.035 for lung adenocarcinoma patients aged ≤50 versus >50 years with tumours harbouring uncommon EGFR mutations.