Table 3. Associations between CYP17 genotype and female breast cancer according to the stage of the disease.

	TT	TC	CC
Controls, n (%)	156 (39.5)	173 (43.8)	66 (16.7)
Cases by stage
Stage I	65 (35.7)	96 (52.7)	21 (11.5)
OR (95% Cl)	1.0	1.33 (0.91–1.95)	0.76 (0.43–1.35)
Stage II	98 (40.0)	117 (47.8)	30 (12.2)
OR (95% Cl)	1.0	1.08 (0.76–1.52)	0.72 (0.44–1.19)
Stage III+IV	15 (30.6)	27 (55.1)	7 (14.3)
OR (95% Cl)	1.0	16.2 (0.83–3.16)	1.10 (0.43–2.83)