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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