4.

GSTM1和CYP1A1多态性与化疗疗效的关系

The relationship between the polymorphisms of GSTM1, CYP1A1 and chemotherapy effect

CYP1A1	GSTM1	Chemotherapy effects		X2	P
		Response	No response
*P < 0.05; **Fisher's exact test.
A	Null	22	9	0.099	0.507
	Non-null	15	5
B	Null	23	8	13.134	< 0.001*
	Non-null	6	18
C	Null	8	6	**	0.361
	Non-null	2	5