1. Data are expressed as number (%), or mean±SD for normally distributed data, or median (IQR) for unevenly distributed data. 2. *P was tested by Kruskal-Wallis test. 3. PCI: percutaneous coronary int
Background and aimColonoscopy is necessary for diagnosing and surveilling patients with ulcerative colitis, though it may cause disease flares. Colonoscopy with carbon dioxide (CO2) insufflation decre
