Comparison between magnetic resonance imaging and electrical impedance myography for evaluating lumbar skeletal muscle composition

Table 3 Correlations of BF% and muscle quality obtained from EIM with Goutallier score, SMI, SARC-F scores, and BMI using the Pearson correlation coefficient

		BF%	SMI	Goutallier	SARC_F	M. quality	BMI
BF%	r	1	− 0.116	0.257**	−0.014	− 0.788**	0.227
BF%	p		0.236	0.002	0.865	0	0.019
SMI	r	−0.116	1	−0.565**	−0.289*	0.082	0.369**
SMI	p	0.236		0	0.003	0.403	0
Goutallier	r	0.257**	−0.565**	1	0.409**	−0.224**	0.154
Goutallier	p	0.002	0		0	0.008	0.114
SARC-F	r	0.014	−0.289*	0.409**	1	0.05	0.182
SARC-F	p	0.865	0.003	0		0.556	0.061
M. quality	r	−0.788**	0.082	− 0.224**	0.05	1	−0.284*
M. quality	p	0	0.403	0.008	0.556		0.003
BMI	r	0.227*	0.369**	0.154	0.182	−0.284*	1
BMI	p	0.019	0	0.114	0.061	0.003

M. quality Muscle quality obtained from EIM, BF% Body fat percentage obtained from EIM, SMI Skeletal muscle index, r Pearson correlation coefficient, p significance; * = significant values with p < 0.05; ** = significant values with p < 0.01

ISSN: 1471-2474