Table 2.

Correlations between EMCL and IMCL stores measured by MRS and mean MA measured by CT of the soleus (n = 51) and TA muscles (n = 48)

	Mean MA
	Pearson correlation	Spearman’s ρ
Soleus (relative to oil   phantom)
EMCL-CH2	−0.37†	−0.20
IMCL-CH2	−0.64†	−0.64†
Total lipid (EMCL +   IMCL-CH2)	−0.61†	−0.60†
EMCL-CH3	−0.33*	−0.20
IMCL-CH3	−0.55†	−0.61†
Total lipid (EMCL +   IMCL-CH3)	−0.57†	−0.57†
TA (relative to oil   phantom)
EMCL-CH2	−0.41†	−0.32*
IMCL-CH2	−0.16	−0.29*
Total lipid (EMCL +   IMCL-CH2)	−0.40†	−0.36*
EMCL-CH3	−0.46†	−0.35*
IMCL-CH3	−0.27‡	−0.25‡
Total lipid (EMCL +   IMCL-CH3)	−0.38*	−0.34*

EMCL, extramyocellular; IMCL, intramyocellular; MRS, magnetic resonance spectroscopy; MA, muscle attenuation; CT, computed tomography; TA, tibialis muscle; CH₂, methylene; CH₃, methyl.

^*Significant at 0.05 level.

^†Significant at 0.01 level.

^‡0.05 < p < 0.10.