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. Author manuscript; available in PMC: 2013 Feb 26.
Published in final edited form as: Breast Cancer Res Treat. 2011 Nov 1;131(3):907–914. doi: 10.1007/s10549-011-1843-1

Table 3.

Univariate and multivariable adjusted odds ratio (ORs) for variables predicting estimated CVD risk greater than breast cancer risk

Variable Odds ratioa (95% CI) P valuea Adjusted odds ratiob (95% CI) P valueb
Heart age
 >65 9.4 (5.5–12.1) <0.0001 12.6 (7.0–22.6) <0.0001
 ≤65 Reference Reference
Lymph node positive
 No 3.7 (1.9–7.1) 0.0001 4.3 (2.0–9.3) 0.0002
 Yes Reference Reference
Tumor grade
 1 or 2 2.4 (1.2–4.6) 0.010 2.4 (1.1–5.3) 0.030
 3 Reference Reference
Tumor size
 ≤2cm 5.6 (2.8–11.3) <0.0001 6.8 (3.1–14.9) <0.0001
 >2cm Reference Reference
Tumor stage
 I 4.2 (2.4–7.1) <0.0001 6.1 (3.4–11.2) <0.0001
 II or III Reference Reference
a

Univariate logistic regression model, where probability modeled was predicted CVD risk > predicted breast ca risk

b

Multivariable logistic regression model adjusted for age and risk factors associated with breast cancer recurrence (lymph node involvement, tumor grade, tumor size, stage) and CVD (the composite index, heart age) where probability modeled was predicted CVD risk > predicted breast cancer risk. Note as breast cancer stage is a composite index of lymph node and tumor size, stage was not simultaneously included in the multivariable model with lymph node or tumor size and vice versa

CVD cardiovascular disease