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. Author manuscript; available in PMC: 2015 Feb 23.
Published in final edited form as: Am J Surg. 2008 Apr 23;196(1):81–87. doi: 10.1016/j.amjsurg.2007.08.057

Table 4.

Multivariate analysis of clinicopathologic factors and occurrence of SLN sentinel lymph node metastasis in patients with a final (N = 475) diagnosis of DCIS or MIC

Characteristic Positive SLN
(N=9)
N (%)		 Negative SLN
(N=486)
N (%)		 OR
(95% CI)* 		P value
Age (y)
  >=50 3 (1.0) 319 (99.0) Referent
  <50 6 (3.5) 167 (96.5) 3.2 (0.8–13.0) .11
DCIS size (cm)
  <=2 cm 1 (0.4) 248 (99.6) Referent
  2–5 cm 3 (2.3) 126 (97.7) 5.9 (0.6–57.4) .13
  >5 cm 5 (5.2) 92 (94.8) 13.4 (1.6–116.9) .02

DCIS: carcinoma in situ; MIC: microinvasive breast cancer; SLN: sentinel lymph node; OR: odds ratio; CI: confidence interval.

*

OR and 95% CI values were obtained from multivariate analysis with all variables significant in univariate analysis fitted simultaneously.