TABLE 3.

Univariable and Multivariable Logistic Regression Results for Associations with Re-Excision

	Univariable Analysis OR (95% CI),	p-value	Multivariable Analysis OR (95% CI)	p-value
Minimum Breast Density	1.38 (1.04–1.83)	0.026	1.37 (1–1.86)	0.049
Age	0.99 (0.97–1)	0.138
Race (White)	1.01 (0.59–1.81)	0.967
BMI	0.96 (0.93–1)	0.052
Mammogram/US detected	0.97 (0.52–1.57)	0.958
MRI Performed	0.71 (0.37–1.34)	0.289
Tumor size (cm)	0.9 (0.69–1.16)	0.424
SLN positive	0.78 (0.4–1.42)	0.443
Multifocal Disease	4.34 (2.78–6.76)	<0.001	4.24 (2.65–6.76)	<.001
pT2 versus pT1	0.93 (0.52–1.57)	0.781
Histological subtype		0.62
IDC	1.00
ILC	1.15 (0.58–2.12)
IDC and ILC	1.06 (0.3–2.87)
Other	0.28 (0.02–1.36)
Associated DCIS	1.83 (1.02–3.53)	0.054
EIC present	4.49 (2.44–8.14)	<0.001	3.5 (1.8–6.84)	<.001
ER positive	0.96 (0.49–2.06)	0.906
PR positive	1.04 (0.62–1.83)	0.878
HER2 positive	2.05 (1.04–3.83)	0.029	1.52 (0.74–3.1)	0.251

OR odds ratio, CI confidence interval, US ultrasound, SLN sentinel lymph node, pT pathologic tumor stage, IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, DCIS ductal carcinoma in situ, EIC extensive intraductal component, ER estrogen receptor, PR progesterone receptor