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Table 3 Spearman’s correlation analyses between serum albumin concentration or BTR and clinical variables (N = 111)

From: Significance of serum branched-chain amino acid to tyrosine ratio measurement in athletes with high skeletal muscle mass

  Albumin BTR
Variable ρ p ρ p
Weight (kg) −0.213 0.025 −0.214 0.024
BMI (kg/m2) −0.370 < 0.001 −0.217 0.022
SMI (kg/m2) −0.511 < 0.001 −0.436 < 0.001
FMI (kg/m2) 0.104 0.279 0.238 0.012
Transthyretin (mg/dL) 0.281 0.003 0.172 0.072
Transferrin (mg/dL) 0.299 0.001 0.078 0.418
FT3 (pg/mL) 0.013 0.896 −0.308 0.001
FT4 (ng/dL) 0.107 0.262 −0.077 0.421
TSH (mIU/mL) 0.123 0.199 −0.019 0.846
BTR 0.438 < 0.001   
  1. BMI Body mass index; SMI Skeletal muscle index; FMI Fat mass index; FT3 Free 3,5,3′-triiodothyronine; FT4 Free thyroxine; TSH Thyrotropin; BTR Branched-chain amino acid to tyrosine ratio