Retrospective study observes disease activity patterns in psoriatic arthritis, highlighting the distinct contributions of obesity and vitamin D status.
Key Points
To evaluate the independent and combined associations of obesity and vitamin D deficiency with disease activity in adults with psoriatic arthritis.
Conducted a retrospective study of adult patients fulfilling the Classification Criteria for Psoriatic Arthritis (CASPAR).
Stratified patients according to obesity status using a body mass index cutoff of ≥30 kg/m² alongside vitamin D deficiency levels.
Assessed comparative differences in disease activity scores across patient subgroups stratified by body mass index and serum vitamin D status.
Evaluated the distinct contribution of vitamin D deficiency after accounting for the baseline inflammatory burden of obesity.