Table 4 |
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|
Associations with the presence of prompts in the region of interest (ROI) |
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|
Study group |
Factor |
Category |
CAD prompt (n (%)) |
Average prompt size |
||
|
|
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|
No |
Yes |
Mass |
Calcification |
|||
|
|
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|
Normal cases |
Breast density |
<11% |
90 (45) |
100 (55) |
17 |
10 |
|
11% to 25% |
89 (32) |
191 (68) |
16 |
11 |
||
|
26% to 50% |
72 (33) |
149 (67) |
16 |
11 |
||
|
51% to 75% |
41 (34) |
78 (66) |
15 |
13 |
||
|
76% or more |
14 (34) |
27 (66) |
16 |
11 |
||
|
Cancer cases with a prompt in ROI |
Breast densitya |
<11% |
27 (90) |
3 (10) |
20 |
-b |
|
11% to 25% |
45 (71) |
18 (29) |
18 |
13 |
||
|
26% to 50% |
66 (54) |
57 (46) |
17 |
13 |
||
|
51% to 75% |
42 (56) |
33 (44) |
19 |
14 |
||
|
76% or more |
13 (68) |
6 (32) |
19 |
15 |
||
|
Detection statusa |
Original 1996 screen |
5 (6) |
80 (94) |
18 |
14 |
|
|
Interval cancer (1 year) |
4 (57) |
3 (43) |
-b |
12 |
||
|
Interval cancer (2 to 3 years) |
29 (69) |
13 (31) |
15 |
14 |
||
|
|
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|
aThree cancer cases with a missing prompt location, a further two cases with missing density. bNo observations in this category. |
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|
Gilbert et al. Breast Cancer Research 2008 10:R72 doi:10.1186/bcr2137 |
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