Clinical Research Directory

Inclusion Criteria: 1. Datasets from Patients who underwent spectral coronary CT angiography (CCTA). 2. Datasets from study participants with age ≥ 18 years old. 3. Scan parameters that meet the criteria defined in the 5.4.3. Exclusion Criteria: 1. The clinical data information is considered incomplete after evaluation by the investigator. 2. The investigator determined that poor image quality (e.g. obvious artifacts, missing critical scan layers) would not satisfy post-processing analysis. 3. Data of patients deemed inappropriate for inclusion after evaluation by the investigator.