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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2008 Dec;17(12):3319–3324. doi: 10.1158/1055-9965.EPI-08-0544

Table 6. Multivariate analysis of presentation factors associated with lymph node metastases.

Variable Odds ratio (95% confidence interval) P
Histologic subtype
 Ductal vs nonductal 0.87 (0.56-1.3) 0.767
 Triple-negative vs non-triple-negative 0.89 (0.53-1.5) 0.561
Age, <50 vs ≥50 y 0.84 (0.56-1.3) 0.111
BMI (kg/m2) 1.77 (0.94-3.4) 0.032

NOTE: Excludes patients in whom no receptor status or pathologic axillary node staging was done.