Table 2. Preventive strategies adopted by BRCA1/2 carriers and non-carriers (all unaffected) 5 years after test result disclosure (N=246).

	Carriers (N=101)					Non-carriers (N=145)
	Age category					Age category
	Total	<30 n=6	30–39 n=38	40–49 n=36	≥50 n=21	Total	<30 n=10	30–39 n=32	40–49 n=44	≥50 n=59
Preventive strategies	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)
Bilateral prophylactic mastectomy after test result delivery	7 (6.9)	0	2 (5.3)	4 (11.1)	1 (4.8)	0	0	0	0	0
Bilateral prophylactic oophorectomy	43 (42.6)	0	7 (18.4)	20 (55.6)	16 (76.2)	17 (11.7)	0	0	3 (6.8)	14 (23.7)
Before test result delivery	2		1	1	0	14			1	13
After test result delivery	41		6	19	16	3			2	1
	m (SD) a	m (SD) a	m (SD) a	m (SD) a	m (SD) a	m (SD) a	m (SD)	m (SD)	m (SD)	m (SD)
Mammograms during the previous 3 yearsb	2.8 (1.4)	1.8 (2.3)	2.6 (1.4)	3.1 (1.4)	3.2 (1.1)	1.7 (1.2)	0.5 (1.3)	0.9 (1.0)	1.7 (1.1)	2.2 (1.1)
MRI during the previous 3 yearsb	1.7 (1.7)	1.5 (2.1)	1.5 (1.5)	2.2 (2.0)	1.2 (1.4)	0.1 (0.4)	0.2 (0.7)	0.0 (0.2)	0.1 (0.5)	0.1 (0.3)
Ovarian ultrasoundc
Transvaginal US	1.7 (1.7)	0.5 (1.2)	1.4 (1.7)	2.3 (1.6)	2.6 (2.3)	0.7 (1.4)	0.6 (1.9)	1.0 (1.6)	0.5 (1.3)	0.6 (1.1)
Abdominal US	0.6 (1.2)	0.7 (1.2)	0.8 (1.5)	0.2 (0.8)	0 (0)	0.4 (1.2)	0.1 (0.3)	0.2 (0.8)	0.8 (1.8)	0.3 (0.8)

^aMean number of investigations undergone during the last 3 years (means and SD).

^bApart from RRM.

^cApart from RRSO.