Table 1.

The negative expression ratios of five subunits in the SWI/SNF complex in 2390 cases with NSCLC.

Histology	The proportion of negative expression of SWI/SNF complex subunits
	SMARCA2		SMARCA4		ARID1A		ARID1B		INI1
AD(Nonmucinous)	n = 2084	200(9.6%)	n = 2079	32(1.5%)	n = 2081	16(0.8%)	n = 2080	7(0.3%)	n = 2077	0(0)
AD(Mucinous)	n = 90	5(5.6%)	n = 89	6(6.7%)	n = 89	4(4.5%)	n = 90	0(0)	n = 89	0(0)
SCC	n = 200	12(6%)	n = 200	4(2.0%)	n = 199	9(4.5%)	n = 200	2(1.0%)	n = 200	0(0)
Others	n = 16	5(31.3%)	n = 16	0(0)	n = 16	0(0)	n = 16	0(0)	n = 16	0(0)

Note: AD, adenocarcinoma; SCC, squamous cell carcinoma.