TABLE 3.

Spearman correlation between serum biomarkers and sarcopenia components.

Parameter	Correlation coefficient (r)	p-value
SMI and CRP	−0.462	<0.001
Grip strength and CRP	−0.435	<0.001
Gait speed and CRP	−0.312	0.015
SMI and TNF-α	−0.397	0.0016
Grip strength and TNF-α	−0.211	0.105
Gait speed and TNF-α	−0.189	0.148
SMI and IL-6	−0.118	0.369
Grip strength and IL-6	−0.128	0.330
Gait speed and IL-6	−0.094	0.476
SMI and IGF-1	−0.087	0.507
Grip strength and IGF-1	−0.060	0.651
Gait speed and IGF-1	−0.073	0.579

CRP, C-reactive protein; IL-6, Interleukin-6, TNF-α, Tumor Necrosis Factor-alpha; IGF-1, Insulin-like Growth Factor 1; SMI, skeletal muscle index.