Lead Sponsor

Chinese PLA General Hospital

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•Adults aged 18 years or older
•Diagnosed with psoriasis (including plaque psoriasis, pustular psoriasis, erythrodermic psoriasis, or other clinically recognized subtypes), according to established clinical diagnostic guidelines
•Received medical care at Chinese PLA General Hospital (First Medical Center) or the collaborating center (Fourth Medical Center) during the study period
•Availability of complete medical records, including demographic information, relevant clinical characteristics, and laboratory data required to assess insulin resistance

•Previous or current diagnosis of diabetes mellitus
•Presence of severe systemic diseases that may significantly affect glucose metabolism (such as malignant tumors, hyperthyroidism, or other serious endocrine disorders)
•Current or recent use of systemic medications known to affect insulin sensitivity, including:Systemic corticosteroids,Glucose-lowering medications, or Other medications with known significant effects on insulin resistance
•Pregnant or breastfeeding women
•Medical records with missing key variables required for the assessment of insulin resistance or model development

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