Muscle mass decreases at an accelerating rate, a process called sarcopenia, and since muscle tissue burns more calories than fat tissue, this compounds the metabolic slowdown
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3.2 Correlation analysis of serum GPX-3 concentration and continuous variables at diagnosis in patients with AAV Serum GPX-3 concentration at diagnosis was inversely correlated with BVAS (r = 0.280, P = 0.018), VDI (r = 0.263, P = 0.029), and CRP (r = 0.261, P = 0.028) at diagnosis, whereas, it was positively correlated with haemoglobin (r = 0.255, P = 0.032), and serum albumin (r = 0.240, P = 0.045) at diagnosis, respectively