Research Article

Association of the Differences in Average Glandular Dose with Breast Cancer Risk

Table 4

Multivariate logistic regression analysis of the effects of NAGD differences in CC-view and MLO-view FFDM images on breast cancer risk.

VariablesOR value95% CI

Univariate analysis
NAGD difference in CC view4.83<0.0013.93, 5.95
NAGD difference in MLO view6.05<0.0014.85, 7.55
Multivariate analysis
NAGD difference in CC view2.35<0.0011.83, 3.02
NAGD difference in MLO view3.77<0.0012.91, 4.90
Age1.020.0141.00, 1.04
Age at menarche1.040.1410.99, 1.09
Menopausal status1.560.0021.18, 2.06
Age at first birth1.040.0051.01, 1.07
Parity0.220.0010.09, 0.52
Family history of breast cancer0.590.1080.30, 1.13
BI-RADS density1.110.2430.93, 1.33

The univariate analysis was used to examine the association between the NAGD differences and breast cancer risk. The multivariate analysis was used to examine the independent contribution of breast cancer risk.