TABLE 4.
Year | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2005 | 2006 | 2007 | 2008 | 2009 | Total | |||||||
BRCAT lifetime risk score | N | % | N | % | N | % | N | % | N | % | N | % |
Exams of women who received breast MRI for screening* | ||||||||||||
<15% | 57 | (74) | 147 | (50) | 227 | (55) | 194 | (53) | 202 | (50) | 827 | (53) |
15–20% | 13 | (17) | 85 | (29) | 84 | (20) | 79 | (21) | 87 | (21) | 348 | (22) |
>20% | 7 | (9) | 60 | (21) | 101 | (25) | 96 | (26) | 119 | (29) | 383 | (25) |
Exams of women who received screening mammography only | ||||||||||||
<15% | 234,209 | (92) | 229,157 | (92) | 228,708 | (92) | 222,685 | (92) | 216,402 | (92) | 1,131,161 | (92) |
15–20% | 15,120 | (6) | 14,480 | (6) | 14,590 | (6) | 14,560 | (6) | 13,657 | (6) | 72,407 | (6) |
>20% | 5,153 | (2) | 5,110 | (2) | 5,033 | (2) | 5,021 | (2) | 4,920 | (2) | 25,237 | (2) |
Test for trend comparing total proportion at >20% high risk to <20% (p<0.0001)