Measuring belly fat is more useful for understanding health risks in psoriasis patients than just checking body weight.

People with psoriasis or psoriatic arthritis have about 6% more fat around their internal organs than people without these conditions, even when they have the same body weight.

People with psoriasis or psoriatic arthritis have a higher proportion of visceral fat within their abdominal cavity compared to healthy individuals with similar body weight.

People with psoriasis or psoriatic arthritis have slightly more fat under the skin than healthy people with similar body weight, though this difference is not statistically significant.

People with psoriasis or psoriatic arthritis have a higher proportion of dangerous belly fat compared to safe fat under the skin, even when their overall weight is similar to healthy people.

More visceral fat in people with psoriasis is linked to higher insulin resistance, a key factor in diabetes risk, based on statistical analysis of the data.