| Classification | Contents | Method |
| General data | Name, gender, age, occupation, place of residence, contact information, education level, marital status, family history, etc. | Questionnaire/interview | Medical history | Past history and current medication | Questionnaire/interview | Health-related behaviors | Smoking and drinking history | Questionnaire/interview | Anthropometric measures | Height and weight | Examination | Blood pressure | Systolic blood pressure and diastolic blood pressure | Examination | Biochemical indicators | | | Urine and common items | Proteins, ketones, blood, bilirubin, and nitrates | Examination | Blood and common items | CBC, total protein, albumin, FPG, triglyceride, total cholesterol, HDL-cholesterol, BUN, creatinine, uric acid, AST, ALT, hs-CRP, HbA1c, B12, folic acid, and Hcy | Examination | Blood and additional items | Lipid markers (LDL-cholesterol), hemostatic markers (prothrombin time, activated partial thromboplastin time, fibrinogen, D-dimer), cardiac marker (troponin I), and thyroid function markers (FT3, FT4, TT3, TT4 and TSH) | Examination | Imaging items | Magnetic resonance imaging (MRI), CT angiography (CTA) or magnetic resonance angiography (MRA), cervical vessels ultrasonography and transcranial Doppler), heart rhythm (ECG and 24-Holter monitoring), and cardiac morphology (transthoracic echocardiogram). | Examination | Stool | PCR on 16 s rRNA gene sequence. PCR on 18 s rRNA gene sequence. | Laboratory analysis | Blood | GC-MS was used to detect the metabolites of gut microbiota | Laboratory analysis |
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CBC: complete blood count; FPG: fasting plasma glucose; HDL-cholesterol: high density lipoprotein cholesterol; BUN: blood urea nitrogen; AST: aspartate aminotransferase; ALT: alanine aminotransferase; hs-CRP: high sensitivity C-reactive protein; HbA1c: hemoglobin A1c, B12, vitamin B12; Hcy: homocysteine; LDL-cholesterol: low density lipoprotein cholesterol; FT3: free triiodothyronine; FT4: free tetraiodothyronine; TT3: total triiodothyronine; TT4: total thyroxine; TSH: thyroid-stimulating hormone; GC-MS: gas chromatography-mass spectrometry.
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