Table 2.

Descriptive statistics of categorical variables for the entire cohort (N = 70); patients with CB (55) vs. no CB (15).

Clinical Data	All	CB	No CB	p-Value
Anatomical site				1.00
1 = right	33 (47.1%)	26 (42.3%)	7 (46.7%)
2 = left	37 (52.9%)	29 (52.7%)	8 (53.3%)
Quadrant				0.86
1 = central position	7 (10.0%)	5 (9.1%)	2 (13.3%)
2 = upper inner quadrant	11 (15.7%)	9 (16.4%)	2 (13.3%)
3 = lower inner quadrant	7 (10.0%)	6 (10.9%)	1 (6.8%)
4 = upper outer quadrant	28 (40.0%)	23 (41.8%)	5 (33.3%)
5 = lower outer quadrant	16 (22.9%)	11 (20.0%)	5 (33.3%)
9 = not further described	1 (1.4%)	1 (1.8%)	0
Histology PT				0.25
1 = invasive ductal adenocarcinoma	62 (88.6%)	50 (91.0%)	12 (80.0%)
2 = invasive lobular adenocarcinoma	5 (7.1%)	3 (5.4%)	2 (13.3%)
3 = invasive papillary adenocarcinoma	1 (1.4%)	0 (0.0%)	1 (6.7%)
4 = mucinous carcinoma	1 (1.4%)	1 (1.8%)	0 (0.0%)
5 = apocrine carcinoma	1 (1.4%)	1 (1.8%)	0 (0.0%)
Molecular subtype PT				0.33
A = Luminal A	13 (18.6%)	12 (21.8%)	1 (6.7%)
B = Luminal B	36 (51.4%)	26 (47.3%)	10 (66.7%)
H = Her-2 enriched	6 (8.6%)	4 (7.3%)	2 (13.3%)
N = triple negative	15 (21.4%)	13 (23.6%)	2 (13.3%)
T				0.17
1	21 (30.0%)	19 (34.5%)	2 (13.3%)
2	34 (48.6%)	27 (49.1%)	7 (46.7%)
3	2 (2.9%)	1 (1.8%)	1 (6.7%)
4	13 (18.6%)	8 (14.6%)	5 (33.3%)
N				0.54
0	19 (27.1%)	17 (30.8%)	2 (13.3%)
1	34 (48.6%)	26 (47.3%)	8 (53.3%)
2	6 (8.6%)	4 (7.3%)	2 (13.3%)
3	11 (15.7%)	8 (14.6%)	3 (20.1%)
M				<0.01
0	58 (82.3%)	51 (92.7%)	7 (46.7%)
1	12 (17.1%)	4 (7.3%)	8 (53.3%)
Hybrid Imaging	All	CB	No CB	p-Value
Margin PT				0.78
1 = sharp	10 (14.3%)	7 (12.7%)	3 (20.0%)
2 = irregular	55 (78.6%)	44 (80.0%)	11 (73.3%)
3 = spiculated	5 (7.1%)	4 (7.3%)	1 (6.7%)
Morphology PT				0.42
1 = solid	66 (94.3%)	53 (96.4%)	13 (86.7%)
2 = inflammatory	4 (5.7%)	2 (3.6%)	2 (13.3%)
Death				<0.01
0 = no	65 (92.8%)	55 (100.0%)	10 (66.7%)
1 = yes	5 (7.2%)	0 (0.0%)	5 (33.3%)