Table 3 Overview of 10 large studies on EGFR mutations in non‐small‐cell lung cancer (NSCLC).

	Ethnicity	Subjects (n)	Mutation rate (%)	Deletions in exon 19 (%)	L858R (%)	Mutation rate (%)
						Non‐smokers vs smokers	Female vs male	Adenocarcinoma vs other NSCLC
Marchetti46	White	860	5	46	46	20 vs 2	19 vs 2	10 vs 0
Eberhard47	White	228	13	62	24	25 vs 12	13 vs 13	15 vs 11
Cappuzzuo67	White	89	17	53	47	46 vs 12	26 vs 12	20 vs 10
Shigematsu43	White	158	8	46	39	29 vs 3	20 vs 1	16 vs 1
	East Asian	361	30			56 vs 14	55 vs 19	48 vs 3
Kosaka55	Japanese	277	40	47	44	66 vs 22	59 vs 26	49 vs 2
Sonobe48	Japanese	154	39	57	37	79 vs 16	70 vs 19	55 vs 0
Tokumo72	Japanese	120	32	50	47	69 vs 15	57 vs 20	45 vs 3
Huang44	Taiwanese	101	39	33	51	47 vs 18	44 vs 32	55 vs 3
Sugio62	Japanese	469	29	45	55	54 vs 19	46 vs 21	42 vs 1
Yokoyama45	Japanese	349	29	40	39	54 vs 14	54 vs 15	42 vs 1