Table 2 Percent density, dense area and total breast area in raw–processed image pairs and in SFM–processed digital image pairs
Raw–processed image pairs | SFM–digital | |||||
|---|---|---|---|---|---|---|
Hologic | GE | Fuji | All | Fuji CR | ||
Number of women | 676 | 418 | 100 | 1194 | 128 | |
Number of image pairs | 676 | 418 | 200 | 1294 | 128 | |
Number of image pairs by view | L MLO | 259 | 238 | 0 | 497 | |
L CC | 208 | 79 | 100 | 387 | ||
R CC | 209 | 101 | 100 | 410 | 128 | |
All | 676 | 418 | 200 | 1294 | 128 | |
Number of potential MD readings (including 22% repeats), by reader | Reader 1 | 234 | 232 | 60 | 526 | 0 |
Reader 2 | 246 | 218 | 60 | 524 | 0 | |
Reader 3 | 232 | 222 | 460 | 914 | 283 | |
Reader 4 | 834 | 360 | 0 | 1194 | 0 | |
All | 1546 | 1032 | 580 | 3158 | 283 | |
PMDa (%) | Raw | 15.4 (6.7–27.7) | 18.5 (8.5–32) | 23.1 (12.5–34.3) | 18.1 (8.6–30.5) | SFM: 22.2 (15.6–28.5) |
Processed | 18.7 (11.4–27.9) | 21.8 (11.3–35.7) | 24.8 (13.4–36.6) | 20.2 (11.7–31.7) | 18.9 (13.0–26.9) | |
Dense areaa (cm2) | Raw | 23.6 (12.1–41.3) | 25.0 (11.7–40.3) | 28.8 (19.9–45.3) | 25.4 (13.5–41.7) | SFM: 32.4 (22.4–43.2) |
Processed | 28.2 (19–41.9) | 27.6 (16.1–47.6) | 30.4 (20.3–50.7) | 28.5 (18.2–44.8) | 28.9 (20.3–38.1) | |
Breast areaa (cm2) | Raw | 166.9 (127.9–216.1) | 138.4 (108.4–173.1) | 152.9 (111.4–207.1) | 155.8 (116.9–201.3) | SFM: 154.4 (119.1–193.1) |
Processed | 167.3 (127.5–214.4) | 140.1 (109.9–175) | 150.7 (112.7–206.2) | 156.1 (117.3–201.5) | 156.7 (122.7–202.1) | |