Table 3.

Summary of mammographic breast density characteristics in the MAMS control study population, age adjusted

VariableBenign (n = 224), age-adjusted mean (SE)Well (n = 504), age-adjusted mean (SE)P
Interval between mammogram and questionnaire, d*47.0 (4.6)38.7 (3.0)0.13
Dense area of breast, cm250.0 (1.9)42.7 (1.3)0.002
Non-dense area of breast, cm2103.4 (5.0)112.8 (3.3)0.12
Total area of breast, cm2153.4 (5.1)155.5 (3.4)0.73
% Breast density37.0 (1.3)32.4 (0.9)0.004
  • * Mean reported is for the absolute value of the interval.