Table 2.

Distribution of Genotypes According to Stage of Controls, Total Patients, and Patient Subgroups

	Genotypes
		4G/4G		4G/5G		5G/5G
	n	n	%	n	%	n	%
Controls	132	28	21.2	22	16.7	82	62.1
Total patients	154	49	31.4	48	30.8	59	37.8
Statistics	χ2=17.256 p<0.01a
Nonsmall cell lung cancer
Squamous
Stage 4	29	12	41.4	12	41.4	5	17.2
Stage 3B	19	4	21.1	8	42.1	7	36.8
Stage 3A	27	9	33.3	10	37.0	8	29.6
Stage 2	6	2	33.3	2	33.3	2	33.3
Adenocarcinoma
Stage 4	7	4	57.1	1	14.3	2	28.6
Stage 3B	21	3	14.3	5	23.8	13	61.9
Stage 3A	8	2	25.0	3	37.5	3	37.5
Stage 2	7	1	14.3	0	0	6	85.7
Small cell lung cancer
Stage 4	15	7	46.66	2	13.33	6	40
Stage 3B	9	2	33.33	1	16.66	3	50
Stage 3A	6	3	33.33	3	33.33	3	33.33
Stage 2	0	0	0	0	0	0	0

^ap: χ² test.