In the absence of ideal biomarkers, the research for clinical markers correlated to
the severity of psoriasis and/or its comorbidities becomes crucial. Recently, studies
have shown positive correlation between body mass index and prevalence and severity
of psoriasis. Abdominal circumference showed stronger correlation with disease
severity than body mass index. We evaluated the waist-to-height ratio in a sample of
297 adult patients with psoriasis and observed that it has a significant correlation
with body mass index and PASI, and together with body mass index allows the
identification of central obesity, reducing its subdiagnosis.
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