Influence of Surgical Technique on Mastectomy and Reexcision Rates in Breast-Conserving Therapy for Cancer

Table 3

Multivariate analysis.

	Odds ratio (95% CI)	𝑃 value
Race
White	Reference
Black	2.075 (1.129–3.815)	0.0125
Other	2.367 (1.220–4.589)
Largest clinical diameter (cm)
Continuous	1.288 (1.069–1.552)	0.0250
Shave margins taken
Yes	0.229 (0.097–0.537)	0.0028
No	Reference
Additional margins taken
Yes	0.504 (0.292–0.871)	0.0054
No	Reference
Percentage of DCIS
<25%	Reference	<0.0001
>25%	4.655 (2.523–8.589)

DCIS: ductal carcinoma insitu.