Table A1.

Patient Demographics Based on Presence or Absence of EGFR Mutation

Characteristic	Wild Type		Mutant		P*
	No.	%	No.	%
No. of patients	98		66
Age, years					.7926†
Median	59		58
Range	32-81		38-79
Sex					.5186
Male	43	44	25	38
Female	55	56	41	62
Race
White	79	81	54	82
Black	11	11	5	7	.5926‡
Asian	4	4	6	9	.3213§
Others	4	4	1	2
ECOG PS					.7490
0	53	54	38	58
1	45	46	28	42
Smoking history					.8497
Never smoker	77	79	51	77
Light former smoker	21	21	15	23
Histology					.8251
Adenocarcinoma	83	85	57	86
Other	15	15	9	14

Abbreviation: ECOG PS, Eastern Cooperative Oncology Group performance status.

^*P values are two sided using Fisher's exact test unless otherwise stated.

^†Wilcoxon.

^‡White v black.

^§White v Asian.