Research Article

Study of the Relationship between Microbiome and Colorectal Cancer Susceptibility Using 16SrRNA Sequencing

Table 7

The eligibility criteria and exclusion criteria for colonoscopy.

Eligibility criteria for colonoscopy included
 (1) Age of 50–70 years
 (2) Absence of existing or previous CRC symptoms, such as haematochezia, tarry stool, change in bowel habit in the past 4 weeks, or a weight loss of 45 kg in the past 6 months
 (3) Not having received any CRC screening tests in the past 5 years

The exclusion criteria for colonoscopy included
 (1) Personal history of CRC, inflammatory bowel disease, prosthetic heart valve, or vascular graft surgery
 (2) The presence of medical disorders, which were contraindications for colonoscopy
 (3) Those who have used antibiotics or microecological agents within 2 months before enrollment
 (4) Those who currently have intestinal infection or digestive symptoms
 (5) Those who suffer from chronic diseases such as hypertension, heart disease, and diabetes
 (6) Those who cannot cooperate with major diseases
Abbreviations: CRC, colorectal cancer