. 2019 Jul 23;8(8):1224–1229. doi: 10.1530/EC-19-0225

Table 3.

Distribution of the three analyzed polymorphisms in the MBC case series according to ER status.

Polymorphism	Genotype	ER-positive MBC cases (n = 418)		ER-negative MBC cases (n = 30)		Chi² P-value
Polymorphism	Genotype	n	%	n	%	Chi² P-value
CYP17A1 c.-34T>C	TT	125	29.9	9	30.0	0.39
rs743572	TC	211	50.5	18	60.0
	CC	82	19.6	3	10.0
CYP1B1 p.Leu432Val	GG	161	38.5	8	26.7	0.31
rs1056836	GC	205	49.0	19	63.3
	CC	52	12.5	3	10.0
CYP1B1 p.Asn453Ser	AA	261	62.5	22	73.3	0.35
rs1800440	AG	141	33.7	8	26.7
	GG	16	3.8	0	0.0