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Table 2 Risk of breast cancer according to BMI and mammographic measures, by detection mode

From: Mammographic density and risk of breast cancer by mode of detection and tumor size: a case-control study

  OPERA (95 % CI)
BMI BMI + DA + NDA BMI + PDA BMI + DA DA + NDA PDA DA
Screen-detected cases BIC, AUC 653, 0.63 660, 0.65 653, 0.65 654, 0.65 654, 0.62 646, 0.63 647, 0.62
(244 cases/700 controls) BMI per 1 SD        
   At age 50 years 0.92 (0.66, 1.27) 0.93 (0.67, 1.30) 0.94 (0.68, 1.30) 0.94 (0.67, 1.30)    
   At age 70 years 1.29 (1.07, 1.56) 1.30 (1.07, 1.57) 1.29 (1.07, 1.56) 1.30 (1.07, 1.57)    
  P for interactiona 0.09 0.11 0.12 0.11    
  DA per adjusted 1 SD   1.19 (1.04, 1.38)   1.20 (1.04, 1.39) 1.19 (1.03, 1.37)   1.20 (1.04, 1.39)
  PDA per adjusted 1 SD    1.22 (1.05, 1.41)    1.22 (1.05, 1.41)  
  NDA per adjusted 1 SD   0.95 (0.82, 1.11)    0.95 (0.82, 1.11)   
Interval cases BIC, AUC 420, 0.60 376, 0.76 373, 0.75 388, 0.72 364, 0.75 361, 0.75 377, 0.72
(148 cases/446 controls) BMI per 1 SD        
   At age 50 years 0.92 (0.63, 1.35) 0.81 (0.54, 1.22) 0.80 (0.54, 1.20) 0.82 (0.54, 1.23)    
   At age 70 years 1.12 (0.84, 1.49) 1.12 (0.82, 1.52) 1.10 (0.81, 1.49) 1.09 (0.81, 1.46)    
  P for interactiona 0.49 0.29 0.29 0.33    
  DA per adjusted 1 SD   1.89 (1.51, 2.36)   1.90 (1.53, 2.37) 1.87 (1.49, 2.33)   1.88 (1.52, 2.34)
  PDA per adjusted 1 SD    2.27 (1.77, 2.92)    2.24 (1.75, 2.86)  
  NDA per adjusted 1 SD   0.63 (0.50, 0.78)    0.63 (0.51, 0.78)   
  1. All of the estimates from conditional logistic regression were adjusted for age at mammogram and the variables included into the model. AUC area under the receiver operating characteristic curve, BIC Bayesian information criterion, BMI body mass index, CI confidence interval, DA dense area, NDA non-dense area, OPERA odds per adjusted standard deviation, PDA percent dense area, SD standard deviation. aLikelihood ratio test for the interaction with age at diagnosis