TABLE 3.

Analysis of the agreement between the percentage of fat mass obtained with anthropometric equations and the percentage of fat mass obtained by-means of DXA.

	Descriptive statistics		Paired t-test			CCC	ICC	RMA regression		Bland-Altman analysis
AE	Mean	SD	Bias	t	P	ρc	r	Slope	Int	U LoA	L LoA	Range	r
Eq_Fs2	20.16	4.15	−1.51	5.45	<0.001	0.88	0.88	0.94	−0.23	1.42	−4.45	5.86	−0.18
Eq_Fs4	22.98	4.28	1.31	−3.69	0.001	0.86	0.86	0.97	1.95	5.06	−2.45	7.50	−0.07
Eq_Th3	17.73	4.01	−3.94	11.00	<0.001	0.62	0.55	0.91	−1.96	−0.16	−7.72	7.56	−0.21
Eq_Th7	19.91	4.48	−1.76	7.214	<0.001	0.88	0.88	1.02	−2.08	0.82	−4.34	5.16	0.05
Eq_Whi	13.64	3.20	−8.03	20.70	<0.001	0.26	0.13	0.73	−2.08	−3.93	−12.12	8.19	−0.59
Eq_Ev3	14.94	2.91	−6.73	17.53	<0.001	0.32	0.00	0.66	0.63	−2.66	−10.80	8.13	−0.74
Eq_Ev7	16.68	2.83	−4.98	14.94	<0.001	0.46	0.28	0.64	2.76	−1.45	−8.53	7.08	−0.88
Eq_Oli	19.02	3.10	−2.64	8.93	<0.001	0.73	0.70	0.70	3.81	0.49	−5.79	6.28	−0.83
Eq_Rei	14.25	1.52	−7.42	13.33	<0.001	0.16	0.31	0.35	6.76	−1.53	−13.31	11.78	−0.97
Eq_DWg	22.18	3.25	0.51	−1.25	0.221	0.83	0.83	0.74	6.22	4.86	−3.84	8.71	−0.54
Eq_KMc	15.96	2.48	−5.70	13.32	<0.001	0.34	0.08	0.56	3.77	−1.17	−10.24	9.07	−0.85
Eq_NaS	17.51	2.70	−4.16	8.47	<0.001	0.44	0.30	0.61	4.26	1.03	−9.35	10.39	−0.68
Eq_Pol	14.88	3.29	−6.78	19.29	<0.001	0.34	0.05	0.75	−1.27	−3.06	−10.51	7.46	−0.60
Eq_Slo	17.51	4.75	−4.16	9.60	<0.001	0.61	0.54	1.08	−5.85	0.41	−8.74	9.16	0.15
Eq_WiB	18.43	2.42	−3.24	7.31	<0.001	0.54	0.46	0.55	6.53	1.45	−7.94	9.39	−0.85
Eq_Bal	20.52	3.29	−1.14	3.61	0.001	0.86	0.86	0.75	4.36	2.22	−4.51	6.73	−0.66
Eq_Est	18.90	3.86	−2.77	7.09	<0.001	0.71	0.68	0.88	−0.07	1.36	−6.90	8.25	−0.27
Eq_Oco	18.50	3.21	−3.17	8.88	<0.001	0.65	0.60	0.73	2.75	0.61	−6.95	7.56	−0.64

CCC, concordance correlation coefficient; ICC, intraclass correlation coefficient r; RMA, reduced major axis; AE, anthropometric equations; SE, standard error; P, P-value; U, upper; L, lower; LoA, limits of agreement; r, Pearson’s correlation coefficient indicating the association between the difference and the mean between the two methods; ρc, Lin’s concordance correlation coefficient; Int, intercept.