Table 3 SFT and VAT values determined via BIA, US, MRI and regression analysis.

Variable [kg]	Mean ± SD	p-value	r	R² (R_adj²)	ICC
Total sample [n = 49]
BF_BIA	20.98 ± 8.36	0.798	0.948	0.899	0.948
BF_calc (SFT_total +VAT_MRI)	21.08 ± 8.81	0.798	0.948	0.899	0.948
SFT_total	17.67 ± 7.50
VAT_MRI	3.41 ± 2.50
Male [n = 24]
BF_BIA	18.09 ± 7.02	0.257	0.900	0.812	0.899
BF_calc (SFT_total +VAT_MRI)	17.35 ± 6.93	0.257	0.900	0.812	0.899
SFT_total	13.50 ± 4.62	0.995	0.977	0.955 (0.945)	0.978
SFT_{Eq_male}	13.50 ± 4.51	0.995	0.977	0.955 (0.945)	0.978
VAT_{Eq_male}	3.87 ± 2.72	0.925	0.954	0.899 (0.871)	0.955
VAT_MRI	3.85 ± 2.85	0.925	0.954	0.899 (0.871)	0.955
Female [n = 25]
BF_BIA	23.75 ± 8.90	0.056	0.939	0.881	0.965
BF_calc (SFT_total +VAT_MRI)	24.66 ± 9.22	0.056	0.939	0.881	0.965
SFT_total	21.68 ± 7.75	>0.999	0.975	0.951 (0.944)	0.976
SFT_{Eq_female}	21.68 ± 7.56	>0.999	0.975	0.951 (0.944)	0.976
VAT_{Eq_female}	3.06 ± 2.03	0.815	0.951	0.904 (0.878)	0.952
VAT_MRI	2.98 ± 2.15	0.815	0.951	0.904 (0.878)	0.952

ICC Intraclass coefficient, SD standard deviation, BF_calc the sum of total subcutaneous fat tissue plus visceral adipose tissue obtained via MRI, VAT_MRI visceral adipose tissue measured by MRI, BF_BIA total body fat determined via bioelectrical impedance analysis, VAT visceral adipose tissue, MRI magnetic resonance imaging, SD standard deviation, VAT_{Eq_female/male} visceral adipose tissue calculated via visceral adipose tissue Eqs. (3) and (4) for men or women, SFT_total total subcutaneous fat measured by ultrasound, SFT_{Eq_female/male} subcutaneous fat determined via Eqs. (1) and (2) for men or women, R_adj² adjusted R-squared of linear model, R² R-squared.

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