International Journal of Endocrinology

Research Article

Body Fat Equations and Electrical Bioimpedance Values in Prediction of Cardiovascular Risk Factors in Eutrophic and Overweight Adolescents

Table 3

Simple linear regression coefficient () and coefficient of determination () of the relationship between percentage of body fat and biochemical and clinical parameters in eutrophic adolescents (G1) (Viçosa, Minas Gerais, Brazil (2010)).


		Eq (1)	Eq (2)	Eq (3)	Eq (4)	Eq (5)	Eq (6)	Eq (7)	Eq (8)	Eq (9)	Eq (10)	BIA1	BIA2

Fasting glucose (mg/dL)		−0.23^‡	−0.27^‡	−0.26**	−0.21**	−0.26^‡	−0.19^‡	−0.26^‡	−0.44^‡	−0.25^‡	−0.26^‡	0.25^‡	−0.22^‡
Fasting glucose (mg/dL)		0.09	0.10	0.08	0.08	0.10	0.12	0.13	0.14	0.09	0.12	0.10	0.09
TC (mg/dL)		0.003^‡	0.004^‡	0.004^‡	0.003**	0.003^‡	0.002**	0.003**	0.004**	0.002**	0.003**	0.002**	0.002**
TC (mg/dL)		0.09	0.11	0.09	0.08	0.08	0.07	0.08	0.07	0.05	0.08	0.06	0.05
HDL (mg/dL)		0.09	0.15	0.13	0.09	0.10	0.08	0.13	0.24	0.08	0.15	0.10	0.06
HDL (mg/dL)		0.004	0.009	0.005	0.005	0.004	0.006	0.01	0.01	0.003	0.01	0.005	0.002
LDL (mg/dL)	β	0.004**	0.005**	0.004**	0.004	0.004**	0.003**	0.003**	0.005**	0.003*	0.004**	0.003*	0.003*
LDL (mg/dL)		0.07	0.08	0.06	0.07	0.07	0.06	0.06	0.05	0.04	0.07	0.05	0.05
TG (mg/dL)		0.006**	0.006**	0.008^‡	0.004*	0.006**	0.003	0.004*	0.004	0.004*	0.003	0.005*	0.004*
TG (mg/dL)		0.06	0.06	0.09	0.04	0.06	0.04	0.04	0.02	0.03	0.02	0.04	0.04
TC/HDL		0.002	0.002	0.002	0.001	0.002	0.001	0.001	0.002	0.002	0.001	0.002	0.002
TC/HDL		0.02	0.02	0.02	0.02	0.02	0.01	0.01	0.006	0.02	0.01	0.02	0.02
LDL/HDL		0.003	0.003	0.003	0.002	0.003	0.002	0.002	0.003	0.003	0.002	0.002	0.002
LDL/HDL		0.03	0.02	0.02	0.02	0.02	0.02	0.01	0.001	0.02	0.02	0.01	0.02
Uric Acid (mg/dL)		−0.08^‡	−0.09^‡	−0.09^‡	−0.08^‡	−0.09^‡	−0.07^‡	−0.08^‡	−0.14^‡	−0.09^‡	−0.09^‡	−0.09^‡	−0.08^‡
Uric Acid (mg/dL)		0.31	0.31	0.26	0.33	0.32	0.39	0.38	0.39	0.29	0.40	0.35	0.32
Insulin (U/dL)		−0.1^‡	−0.01^‡	−0.1^‡	−0.1^‡	−0.01^‡	−0.008^‡	−0.01^‡	−0.02^‡	−0.01^‡	−0.01^‡	−0.01^‡	−0.01^‡
Insulin (U/dL)		0.31	0.31	0.25	0.33	0.31	0.39	0.37	0.39	0.28	0.40	0.34	0.31
HOMA-IR		0.008^‡	0.009^‡	0.01^‡	0.006**	0.008^‡	0.005**	0.006**	0.008*	0.008^‡	0.004*	0.008^‡	0.006**
HOMA-IR		0.10	0.09	0.13	0.07	0.10	0.08	0.08	0.04	0.08	0.04	0.09	0.08
SBP (mmHg)		−0.36^‡	−0.35^‡	−0.36**	−0.32^‡	−0.35^‡	−0.28^‡	−0.34^‡	−0.56^‡	−0.32**	−0.31	−0.37^‡	−0.33^‡
SBP (mmHg)		0.12	0.09	0.08	0.09	0.09	0.13	0.12	0.13	0.08	0.09	0.12	0.11
DBP (mmHg)		0.25**	0.34**	0.33**	0.30^‡	0.33^‡	0.20**	0.27**	0.36**	0.32**	0.28**	0.26**	0.27**
DBP (mmHg)		0.06	0.09	0.07	0.09	0.09	0.07	0.08	0.05	0.08	0.08	0.06	0.08

BIA1: tetra-polar horizontal electrical bioimpedance analysis; BIA2: tetra-polar vertical electrical bioimpedance analysis using 8-point tactile electrode; Eq: equation; TC: total cholesterol; TG: triglycerides; HDL: high-density lipoprotein; LDL: low-density lipoprotein; HOMA-IR: homeostasis model assessment-insulin resistance; SBP: systolic blood pressure; DBP: diastolic blood pressure; : coefficient of linear regression; : coefficient of determination; *; **; ^‡.