Table 2.

Patient characteristics according to EGFR genotype

Characteristics	Del 19	L858R	P-value
Gender
Male	12	12	0.04
Female	21	6
Age (years)
<75	25	7	0.01
≥75	8	11
PS
0–1	23	12	0.53
2–3	10	6
Smoking status
Current smoker	8	7	0.92
Never or former light smoker	25	11
Stage
Post-operative recurrence	6	3	0.61
Stage IV	27	15
Brain metastasis
Positive	10	9	0.14
Negative	23	9
Prior regimens
1	14	9	0.41
≥2	19	9

Abbreviations: EGFR, epidermal growth factor receptor; PS, performance status.