Table 1

Characteristics of all study participants

Characteristic
N
%

Total
52

Age (years; median, range)
43 (27–65)

BRCA mutation


     A1
25
48
     A2
27
52
Menopause status


     Premenopausal
25
48
     Postmenopausal
27
52
     BSO <50 years
19
37
Current use (study entry)


     OCP
3
6
     HRT
3
6
     Tamoxifen
4
8
Previous diagnosis of breast cancer
21
40
Parous
44
85
Breast fed
38
73

BSO, bilateral salpingo-oophorectomy; HRT, hormone replacement therapy; OCP, oral contraceptive pill.

Mitchell et al. Breast Cancer Research 2005 7:R1122   doi:10.1186/bcr1348