The mean age at diagnosis of EGFR-mutant NSCLC was 62.65 years (range, 25–91 years; median age, 63 years), which was significantly younger than that of EGFR-wild-type NSCLC (mean, 66.40 years; range, 36–83 years; median age, 67 years) (p = 0.007). The gene discussed is EGFR; the disease is non-small cell lung carcinoma.