Table 3

Gene amplification in tumours from patients with BRCA1 mutations and patients with breast cancer unselected for family history

Age (years)CCND1HER2
HER2 amplification data were captured only for samples that were previously identified as overexpressing HER2 protein.
p Values were determined using the two tailed Fisher's exact test.
ND, not determined.
BRCA1 mutation cases <500/200/2
≥500/101/1
p ValuesND0.33
Non-familial controls <5017/4813/17
≥502/260/0
p Values0.01ND