Associations of Clinical Presentation of Coeliac Disease with Comorbidities and Complications: A Retrospective Single-Centre Analysis.

Background: The clinical presentation of coeliac disease (CD) is various and may influence disease course. We aimed to investigate the associations of clinical presentation with comorbidities and disease complications in a cohort of Hungarian coeliac patients. Methods: In this retrospective study, data of consecutive CD patients were analysed. Clinical presentation (classical vs. non-classical), extraintestinal manifestations and comorbidities (anaemia, metabolic bone disease, dermatitis herpetiformis, IgA deficiency, chromosomal abnormalities, autoimmune diseases and malignancy) were assessed. Student's t-test (for age at diagnosis) and the Chi-squared test or Fisher's exact test (for categorical variables) were applied as analyses. Results: A total of 738 patients were included. In classical vs. non-classical comparisons, classical presentation was significantly associated with metabolic bone disease (59 vs. 36%, respectively, p < 0.001), anaemia (47 vs. 38%, respectively, p = 0.027) and malignancy (6 vs. 2%, respectively, p = 0.006); however, autoimmune diseases and dermatitis herpetiformis were more common with non-classical presentation (23 vs. 31%, p = 0.02, and 5 vs. 16%, p = 0.014, respectively). Conclusions: Our findings confirm that clinical presentation is associated with certain comorbidities and complications in CD. More personalised follow-up may be recommended based on clinical presentation.