Table 1 Patient and imaging key characteristics of the study cohort
From: Deep learning of mammogram images to reduce unnecessary breast biopsies: a preliminary study
Benign (n = 194) | Pure atypia (n = 198) | DCIS (n = 200) | Invasive (n = 200) | Upstaged atypia (n = 55) | Total (n = 847) | |
|---|---|---|---|---|---|---|
Age (years)\(\pm\)Std: | 57 \(\pm\)13 | 56 \(\pm\)10 | 62 \(\pm\)11 | 61 \(\pm\)12 | 63 \(\pm\)11 | 59 \(\pm\)12 |
Menopausal status: Number (%) | ||||||
Premenopausal | 44 (22.7) | 0 (0) | 30 (15) | 18 (9) | 24 (43.6) | 116 (13.7) |
Postmenopausal | 41 (21.1) | 65 (32.8) | 165 (82.5) | 175 (87.5) | 31 (56.4) | 477 (56.3) |
Unknown/Missing | 109 (56.2) | 133 (67.2) | 5 (2.5) | 7 (3.5) | 0 (0) | 254 (30) |
Family history: Number (%) | ||||||
No family history | 150 (77.3) | 87 (43.9) | 36 (18) | 45 (22.5) | 7 (12.7) | 325 (38.4) |
With family history | 38 (19.6) | 110 (55.6) | 154 (77) | 144 (72) | 47 (85.5) | 493 (58.2) |
Unknown/Missing | 6 (3.1) | 1 (0.5) | 10 (5) | 11 (5.5) | 1 (1.8) | 29 (3.4) |
Density: Number (%) | ||||||
Fatty | 8 (4.1) | 1 (0.5) | 7 (3.5) | 1 (0.5) | 0 (0) | 17 (2) |
Scattered fibroglandular tissue | 82 (42.3) | 69 (34.8) | 88 (44) | 88 (44) | 33 (60) | 360 (42.5) |
Heterogeneously dense | 91 (46.9) | 116 (58.6) | 96 (48) | 93 (46.5) | 22 (40) | 418 (49.4) |
Extremely dense | 1 (0.5) | 3 (1.5) | 2 (1) | 2 (1) | 0 (0) | 8 (0.9) |
Unknown/Missing | 20 (10.3) | 10 (5.1) | 7 (3.5) | 17 (8.5) | 0 (0) | 54 (6.4) |
BI-RADS score: Number (%) | ||||||
4 | 18 (9.3) | 51 (25.8) | 55 (27.5) | 28 (14) | 27 (49.1) | 179 (21.1) |
4A | 107 (55.2) | 89 (44.9) | 41 (20.5) | 13 (6.5) | 7 (12.7) | 257 (30.3) |
4B | 59 (30.4) | 42 (21.2) | 63 (31.5) | 41 (20.5) | 12 (21.8) | 217 (25.6) |
4C | 6 (3.1) | 12 (6.1) | 26 (13) | 71 (35.5) | 5 (9.1) | 120 (14.2) |
5 | 2 (1) | 0 (0) | 0 (0) | 13 (6.5) | 0 (0) | 15 (1.8) |
Unknown/Missing | 2 (1) | 4 (2) | 15 (7.5) | 34 (17) | 4 (7.3) | 59 (7) |
Tumor size: Number (%) | ||||||
< 2 cm | N/A | 126 (63) | 157 (78.5) | 24 (43.6) | 307 (67.5) | |
2–5 cm | 34 (17) | 36 (18) | 1 (1.8) | 71 (15.6) | ||
5 cm | 7 (3.5) | 4 (2) | 0 (0) | 11 (2.4) | ||
Unknown/Missing | 33 (16.5) | 3 (1.5) | 30 (54.5) | 66 (14.5) | ||