Table 3: Univariate analysis: correlation between FM from DXA and anthropometry, bioimpedance, and laboratory parameters.


Anthropometry
 BMI (kg/m2)0.74*
 Waist (cm)0.4*
 Hips (cm)0.75*
 WHR0.16
 TSF (mm)0.52*
 BSF (mm)0.5*
 SISF (mm)0.48*
 SSSF (mm)0.32*
 AFA (cm2) 0.59*
 AC (cm)0.51*
 CC (cm)0.5*
 AMA (cm2)0.06
 MAC (cm)0.04
Bioimpedance analysis
( )0.05
( )0.14
 pA (°)0.2*
 TBW (L)0.06
 ECW (L)0.07
 ICW (L)0.12
 FM-BIA (kg)0.91*
 FMI0.86*
 FFM-BIA (kg)0.06
 BCM (kg)0.2*
Laboratory parameters
 CT (mg/dL)0.08
 HDL cholesterol (mg/dL)0.07
 LDL cholesterol (mg/dL)0.08
 CT/HDL ratio0.19
 TG (mg/dL)0.09
 Free fatty acids (mM/L)0.03
 Glycerol (mM/L)0.02
 Glycaemia (mg/dL)0.1
 Insulin (IU/mL)0.24*
 HOMA0.2*
 QUICKI0.18
 CRP (mg/L)0.43*
 Adiponectin (ng/mL)0.1
 Leptin (pg/mL)0.57*
 Leptin/adiponectin ratio0.42*
 Ghrelin (pg/mL)0.2

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Legend: BMI: body mass index; WHR: waist hip ratio; BSF: biceps skinfold thickness; TSF: triceps skinfold thickness; SISF: suprailiac skinfold thickness; SSSF: subscapular skinfold thickness; AC: arm circumference; CC: calf circumference; AMA: arm muscle area; AFA: arm fat area; MAC: muscle arm circumference; : resistance; : reactance; pA: phase angle; TBW: total body water; ECW: extracellular water; ICW: intracellular water; FM-BIA: fat mass estimate through bioimpedance analysis; FMI: fat mass index; FFM-BIA: fat free mass estimate through bioimpedance analysis; BCM: body cell mass; CT: cholesterol total; TG: triglycerides; HOMA: homeostasis model assessment; QUICKI: quantitative insulin sensitivity check index; CRP: C-reactive protein.