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Table 6 Age- and BMI-adjusted linear regression estimates for relationships between IGFBP-2 and % MD measures in premenopausal and postmenopausal women, stratified by BMI

From: Relationship of circulating insulin-like growth factor-I and binding proteins 1–7 with mammographic density among women undergoing image-guided diagnostic breast biopsy

  BMI
< 25 kg/m2 (N = 97) 25–29.9 kg/m2 (N = 48) ≥ 30 kg/m2 (N = 48)  
MD measure β p 1 β p β p p -int
Premenopausal women (N = 193)
 % MD-V 1.32 0.07 2.32 0.06 −0.58 0.79 0.57
 % MD-A 1.24 0.20 2.31 0.13 0.10 0.97 0.55
  BMI
Postmenopausal women (N = 103) < 25 kg/m2 (N = 41) 25–29.9 kg/m2 (N = 31) ≥ 30 kg/m2 (N = 31)  
 % MD-V 5.32 0.0002 0.81 0.24 − 0.29 0.85 0.0003
 % MD-A 3.24 0.07 − 1.35 0.28 − 1.75 0.34 0.03
  1. p -int p interaction, BMI body mass index, MD-V mammographic density-volume, MD-A MD-area
  2. 1P-values <0.05 are in italics