MIF and sarcopenia: Similarly, serum concentrations of SPARC and MIF were higher in the sarcopenia than the normal group (Fig. 1b,c; 531.5 ± 40.65 versus 409.4 ± 35.47 pg/mL SPARC, p = 0.047, and 25.10 ± 1.19 versus 20.71 ± 0.89 ng/mL MIF, p = 0.008).