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Table 2 Associations between each continuously distributed mammographic measure and breast cancer

From: Using mammographic density to predict breast cancer risk: dense area or percentage dense area

  ORa Estimates (95% Confidence Interval)    
Measurement DAb PDAc NDAd ΔΧ2e P value BICf
Base model (no predictors) - - - -   1663.78
Dense area (DA) 1.42 (1.29-1.56) - - 53.22 < 0.001 1618.39
Percent dense area (PDA) - 1.37 (1.25-1.50) - 44.42 < 0.001 1627.19
Nondense area (NDA) - - 0.89 (0.81-0.98) 5.96 0.01 1665.65
DA + NDA 1.42 (1.28-1.57) - 1.00 (0.90-1.10) 0.01g 0.9g 1626.22
DA + PDA 1.31 (1.11-1.55) 1.10 (0.93-1.29) - 1.18g 0.3g 1625.04
PDA + NDA - 1.62 (1.41-1.85) 1.27 (1.11-1.46) 11.61h < 0.001h 1623.41
  1. aOdds ratio; bOR per standard deviation (2.49); cOR per standard deviation (17.91); dper standard deviation (2.80); e Change in -2log likelihood (relative to base model and P values for model comparisons; fBayesian Information Criteria; gCompared to dense area only model; hCompared to percentage dense area only model.