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

Table 1 BRCA1 and BRCA2 mutation prevalence in premenopausal/postmenopausal triple-negative breast cancer (TNBC) patients

	Number of cases	*BRCA1* mutations (%)	*BRCA2* mutations (%)	Total *BRCA1/2* mutations (%)
All	96	18 (18.6)	7 (7.3)	24 (25)^a
Premenopausal	81	16 (19.8)	7 (8.6)	22 (27.2)^a
Postmenopausal	15	2 (13.3)	0	2 (13.3)
All unselected TNBC	61	11 (18)	4 (6.6)	15 (24.6)
Premenopausal	55	11 (20)	4 (7.3)	15 (27.3)
Postmenopausal	6	0	0	0

^aBoth BRCA1 and BRCA2 mutations were identified in one patient with family history, and she was 47 years old.

ISSN: 2047-783X