The prevalence of BRCA1/2 mutations of triple-negative breast cancer patients in Xinjiang multiple ethnic region of China

Table 2 BRCA1/2 mutation prevalence in the unselected and selected triple-negative breast cancer (TNBC) patients

Cases classification	*BRCA1/2* Mutation		χ ²	p
	Yes (%)	No
Family history	7 (28)	18	0.752	0.687^a
Bilateral breast cancer	2 (15.4)	11
Triple-negative	15 (24.6)	46

^aThere was no significant difference among the three kinds of patients (TNBC with family history, TN cancers with bilateralbreast cancer and single TNBC) (P >0.05).

ISSN: 2047-783X