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Table 3 Differences in mammographic density measures across categories of BMI

From: Mammographic density and markers of socioeconomic status: a cross-sectional study

   Percent density1,2 Dense area3 Lucent area4
BMI (kg/m2) (n = 487) <22 0 0 0
  22-24.9 -10.6 (-14.0,-6.9) -6.0 (-10.8,-0.8) 36.2 (24.7,48.2)
  25-27.9 -17.3 (-20.1,-14.1) -10.9 (-15.5,-5.9) 66.4 (52.8,80.6)
  ≥ 28 -24.6 (-26.4,-22.5) -19.4 (-23.1,-15.3) 131.6 (115.3,148.4)
P-value for linear trend   Pt < 0.001 Pt < 0.001 Pt < 0.001
  1. 1 Linear regression models adjusted for age at mammography and mammographic view
  2. 2 For a reference value of 30%
  3. 3 For a reference value of 35 cm2
  4. 4 For a reference value of 90 cm2