In pSS patients, no significant correlation emerged between plasma PCSK9 levels and age, BMI, waist circumference, TC, HDL-C, LDL-C, triglycerides, TC-to-HDL-C ratio, SBP, DBP, glucose, or eGFR (p > 0.05 for all correlations). The gene discussed is PCSK9; the disease is peeling skin syndrome.