Abbreviations: ALT, Alanine aminotransferase; 5-ASA, 5-aminosalicylic acid; BMI, body mass index; CDAI, Crohn’s Disease Activity Index; CI, confidence interval; CMV, cytomegalovirus; CRP, C-reactive protein; IBD, inflammatory bowel disease; OR, odds ratio; WBC, white blood cell; *p < 0.05, calculated using logistic regression analysis. Here, CRP is linked to Crohn disease.