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Table 2 Comparison of bone mineral characteristics and body composition in 134 children: 67 with EO-AN vs 67 Tanner stage matched control individuals, adjusted for chronological age

From: Abnormal bone mineral density and content in girls with early-onset anorexia nervosa

  EO-AN patients Control individuals Patients vs. control individuals
N=67 N=67
  median (25th percentile;75th percentile) median (25th percentile;75th percentile) p-value
BFM (% total weight) 10.9 (6.6; 16.2) 23.0 (18.0; 27.3) < 0.01
LBM (% total weight) 84.9 (78.1; 89.2) 71.3 (67.0; 76.3) < 0.01
TB LBM/height 171 (156; 187) 187 (169; 210) < 0.01
TB BMC (SDS) −0.82 (−1.55; − 0.23) − 0.02 (− 0.64; 0.38) < 0.01
TB BMC/LBM 0.21 (− 0.53; 1.04) −0.32 (− 0.78; 0.46) 0.02
TB BMD (SDS) − 0.30 (− 1.17; 0.24) −0.06 (− 0.74; 0.60) < 0.01
LS BMD (SDS) − 0.75 (− 1.70; − 0.09) − 0.20 (− 0.79; 0.75) < 0.01
  1. BFM Body Fat Mass, EO-AN Early Onset Anorexia Nervosa, LBM Lean Body Mass, TB-BMC Total Body Bone Mineral Content, TB-BMC/LBM (SDS) Ratio of the TB-BMC to Lean Body Mass (LBM), TB-BMD (SDS) Total Body Bone Mineral Density, LS-BMD (SDS) Lumbar Spine Bone Mineral Density
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