Table 4.

Univariate analysis relating risk factors associated with local recurrence risk with incidence of residual disease found in the re-excision specimen after lumpectomy.

Variable	n	OR (95% CI)	p-Value
Triple negative	343	2.48 (1.30, 4.74)	0.006
Node +	345	3.69 (2.29, 5.97)	<0.0001
Multifocal	367	1.78 (1.12, 2.85)	0.02
LVI+	367	2.56 (1.53, 4.28)	0.0004
Age > 45	365	0.45 (0.27, 0.76)	0.003
Margins +	363	1.76 (1.12, 2.76)	0.01
High grade	346	2.14 (1.32, 3.47)	0.002
Tumor size	366	<1.0 cm: reference	0.0005
		1.1–2 cm: 3.00 (1.62, 5.54)	<0.0001
		>2.0 cm: 5.70 (2.98–10.93)

OR, odds ratio; LVI, lymphovascular invasion.