Association between classic and specific bioimpedance vector analysis and sarcopenia in older adults: a cross-sectional study

Rossini-Venturini, Ana Claudia; Abdalla, Pedro Pugliesi; Fassini, Priscila Giacomo; dos Santos, André Pereira; Tasinafo Junior, Márcio Fernando; Alves, Thiago Cândido; Gomide, Euripedes Barsanulfo Gonçalves; de Pontes, Tatiane Lopes; Pfrimer, Karina; Ferriolli, Eduardo; Mota, Jorge; Beltran-Valls, Maria Reyes; Machado, Dalmo Roberto Lopes

doi:10.1186/s13102-022-00559-2

BMC Sports Science, Medicine and Rehabilitation

Table 3 Correlation between body composition, hydration, physical performance and bioelectrical variables in women without/with sarcopenia

From: Association between classic and specific bioimpedance vector analysis and sarcopenia in older adults: a cross-sectional study

	BIA			Classic BIVA			Specific BIVA			PA
	R	Xc	Z	R/H	Xc/H	Z/H	Rsp	Xcsp	Zsp	PA
Women without sarcopenia
FM (kg)	− 0.257*	− 0.176	− 0.272*	− 0.339**	− 0.221	− 0.358**	0.638**	0.452**	0.638**	0.007
FM%	− 0.097	− 0.096	− 0.102	− 0.104	− 0.099	− 0.109	0.399**	0.249	0.398**	− 0.049
BMC (kg)	− 0.175	− 0.067	− 0.184	− 0.314*	− 0.156	− 0.327*	0.242	0.230	0.243	0.064
BMC%	0.112	0.030	0.120	0.086	0.008	0.094	− 0.531**	− 0.397**	− 0.532**	− 0.049
ALST (kg)	− 0.312*	− 0.068	− 0.324*	− 0.425**	− 0.134	− 0.442**	0.500**	0.474**	0.502**	0.176
ALST%	0.009	0.134	0.001	− 0.009	0.133	− 0.001	− 0.313*	− 0.112	− 0.312*	0.157
SMI (kg/m²)	− 0.474**	− 0.125	− 0.496**	− 0.452**	− 0.095	− 0.477**	0.457**	0.495**	0.460**	0.244
TBW (l)	− 0.063	− 0.098	− 0.107	− 0.201	− 0.188	− 0.251	0.579**	0.381*	0.579**	− 0.038
TBW%	0.035	0.203	0.021	0.098	0.237	0.085	− 0.388*	− 0.118	− 0.386*	0.254
6MWT (min)	0.202	0.330*	0.195	0.138	0.279*	0.132	− 0.249	− 0.027	− 0.247	0.202
Hand grip Strenght (kg)	− 0.017	− 0.048	− 0.031	− 0.129	− 0.126	− 0.145	0.188	0.137	0.188	− 0.037
Women with sarcopenia
FM (kg)	− 0.261	− 0.554	− 0.267	− 0.429	− 0.608	− 0.433	0.627	− 0.035	0.623	− 0.634
FM%	− 0.347	− 0.557	− 0.352	− 0.400	− 0.569	− 0.404	0.618	− 0.020	0.614	− 0.598
BMC (kg)	0.102	− 0.137	0.099	− 0.194	− 0.240	− 0.196	− 0.045	− 0.199	− 0.046	− 0.260
BMC%	0.190	0.331	0.194	0.184	0.329	0.188	− 0.565	− 0.131	− 0.562	0.334
ALST (kg)	0.343	− 0.054	0.337	0.011	− 0.182	0.006	0.540	0.207	0.538	− 0.213
ALST%	0.504	0.688	0.508	0.611	0.713	0.614	− 0.430	0.215	− 0.426	0.715
SMI (kg/m²)	− 0.078	− 0.462	− 0.086	− 0.207	− 0.513	− 0.214	0.542	− 0.044	0.538	− 0.573
TBW (l)	− 0.158	− 0.359	− 0.160	− 0.389	− 0.438	− 0.389	0.334	− 0.089	0.331	− 0.464
TBW%	0.276	0.469	0.278	0.497	0.543	0.498	− 0.218	0.208	− 0.215	0.568
6MWT (min)	0.393	0.433	0.394	0.325	0.398	0.326	− 0.477	− 0.008	− 0.475	0.417
Hand grip Strenght (kg)	− 0.107	0.244	− 0.100	0.006	0.290	0.012	− 0.560	− 0.100	− 0.558	0.370

crf: circumference; BMI: body mass index; R: resistance; Xc: reactance; Z: vector length; PA: phase angle; R/H: resistance standardized for height; Xc/H: reactance standardized for height; Z/H: vector length standardized for height; Rsp: resistance standardized for height and transverse areas; Xcsp: reactance standardized for height and transverse areas; Zsp: vector length standardized for height and transverse areas; ALST: Appendicular lean soft tissue; FM: fat mass; BMC: bone mineral content; TBW: total body water; SMI: Skeletal muscle mass index; 6MWT: 6-min walk test; r R-Xc: correlation between R and Xc; r R/H-Xc/H: correlation between R/H and Xc/H; r Rsp-Xcsp: correlation between Rsp and Xcsp
*p < 0.05; **p < 0.001

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ISSN: 2052-1847

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