Table 2.

Cross-validation of FFM predictive new model, and validation of BAI for BF%.

			CCC Analysis
	FFM (kg)	p-value*	CCC	ρ	Cb	r2	PE (kg)
DXA	49.9 ± 11.6
New model	49.5 ± 11.5	0.844	0.952	0.953	0.999	0.91	3.40
			CCC Analysis
	BF%	p-value*	CCC	ρ	C b	r 2	PE (%)
DXA	30.7 ± 9.8
BAI	28.2 ± 5.2	<0,001	0.625	0.795	0.787	0.63	6.54

BAI, Body Adiposity Index; FFM, fat-free mass; BF%, body fat percentage; CCC, Concordance Correlation Coefficient; ρ, accuracy; C_b, validity; PE, pure error. ^*Differences between predictive models and reference method by paired t-test.