Young age and short duration of the disease are associated with more frequent relapses in inflammatory bowel disease patients

To evaluate the effects of the clinical predictors such as age, duration of disease, sex, and smoking on the frequency of relapses in IBD patients. This study recruited 289 IBD (133 with CD and 156 with UC) patients. All were followed-up for 36 months for relapses of the disease. We defined as frequently relapsing (≥1/year) patients with at least one relapse per year and as infrequently relapsing those with less than one relapse per year (