GPT and diabetes mellitus: Compared with the non-sarcopenia group, the sarcopenia group had significantly lower body mass index (BMI), grip strength, ASMI and 6-meter gait speed, higher prevalence of diabetes mellitus, and statistically significant differences in alanine aminotransferase (ALT), fasting blood glucose (FBG), uric acid (UA) and ZJU index (all <i>p</i> < 0.05).