Table 4

Association between GNRHR haplotypes and breast cancer risk in the BPC3 study.

Haplotype

Cases (%)

Controls (%)

OR (95% CI)a

p value


Block 1

hAGA

2,426 (43)

3,161 (42)

1.00 (ref.)

hGGT

2,060 (36)

2,806 (37)

0.98 (0.93–1.03)

0.491

hGAT

473 (8)

620 (8)

1.02 (0.93–1.11)

0.712

hAGT

397 (7)

557 (7)

0.96 (0.87–1.06)

0.433

hGGA

307 (5)

400 (5)

0.97 (0.87–1.07)

0.522

Freq<3%

4 (<1)

6 (<1)

0.83 (0.31–2.25)

0.720

Block 2

hATTA

2,997 (53)

3,908 (52)

1.00 (ref.)

hGCTG

1,178 (21)

1,630 (22)

0.99 (0.92–1.06)

0.342

hATCG

667 (12)

937 (12)

1.00 (0.92–1.09)

0.731

hATTG

478 (8)

633 (8)

1.01 (0.89–1.14)

0.949

hACTG

177 (3)

214 (3)

0.98 (0.85–1.15)

0.862

hGCCG

150 (3)

206 (3)

1.11 (0.76–1.62)

0.836

Freq<3%

21 (<1)

22 (<1)

0.98 (0.93–1.03)

0.579


aOdds ratios and 95% confidence intervals, calculated by unadjusted logistic regression analysis conditional on the matching variables

Canzian et al. BMC Cancer 2009 9:257   doi:10.1186/1471-2407-9-257

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