Table 4.

Distribution of underexpressed alleles of BRCA1 and BRCA2

GeneGroupUnderexpressed allelesP
BRCA1c.4308T, log2(4308T/C) < 0c.4308C, log2(4308T/C) > 0
Cases1545
Controls25280.014
BRCA2c.3396A, log2(3396A/G) < 0c.3396G, log2(3396A/G) > 0
Cases2632
Controls25260.66