Clinical factors are associated with vitamin D levels in IBD patients: A retrospective analysis

OBJECTIVE There is growing evidence that vitamin D deficiency plays a role in the development and the course of inflammatory bowel disease (IBD). However, the correlation between vitamin D deficiency and clinical parameters in IBD is still not completely understood. METHODS A retrospective study of IBD patients was performed. Vitamin D values were analyzed, regardless of vitamin D substitution administration, and correlated with clinical parameters such as medical therapy, anatomical situation, location of the disease and disease activity. Level of 25-hydroxyvitamin D [25(OH)D]