Baseline information | Variate | Variable’s description |
Sociodemographic characteristics | Age | Years |
Sex | Biological (male/female) | |
BMI | kg/m2 | |
Obesity | Waist and hip circumference | |
Life style characteristics | Frequency of spicy diet | Times/weeks |
Frequency of coffee drinking | Times/weeks | |
Frequency of tea drinking | Times/weeks | |
Tobacco history | Years | |
Alcohol history | Years | |
Medication history | Probiotics | Yes or no |
Antibiotics | Yes or no | |
Steroids | Yes or no | |
Underlying disease | Hypertension | Yes or no |
Metabolic diseases: diabetes, obesity, hyperlipidemia | Yes or no | |
Gastrointestinal diseases: polyps, gastroenteritis and recent gastrointestinal symptoms | Yes or no | |
Surgery-related information | Surgical method | Radical resection of right colon cancer, left colon cancer or sigmoid colon cancer |
Types of surgery | Laparotomy or laparoscopy | |
Operation time | Hours | |
Postoperative complications of non-gastrointestinal dysfunction: surgical wound bleeding or infection, etc | Yes or no | |
Tumor-associated information | Tumour staging | AJCC TNM staging |
Tumour size | cm3 |
AJCC TNM staging, American Joint Committee on Cancer, AJCC (V.8) TNM staging system standard; BMI, body mass index.