Abbreviations: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; UC, ulcerative colitis; WBC, white blood cell; EMS, endoscopic mayo subscore; SES-CD, Simple Endoscopic Score for Crohn’s Disease *p < 0.05 The gene discussed is CRP; the disease is Crohn disease.