Among male patients, LDL-C (OR = 0.989, 95% CI 0.978–0.999, p = 0.039) and ALT (OR = 0.966, 95% CI 0.938–0.995, p = 0.022) were associated with underweight/normal BMI in patients with gout (Supplementary Table S4). Here, GPT is linked to gout.