Patients with sarcopenia showed higher levels of cortisol at 0 AM (Cor 0 AM) (4.91 [4.05, 9.95] vs. 2.44 [1.55, 4.77] μg/dL, p < 0.001) and age and lower male percentage, haemoglobin, alanine transaminase, SMI and SMD compared with control group. Here, GPT is linked to sarcopenia.