Table 3.
The frequency of study designs, clinical applications, studied organs, and studied diseases across all eligible articles
| Category | Data elements | Number (%) of included studies |
|---|---|---|
| Study design | Observational | 510 (86.5%) |
| Retrospective | 50 (8.5%) | |
| cohort | 18 (3.0%) | |
| Prospective cohort | 7 (1.2%) | |
| Case–control Trial | 4 (0.7%) | |
| Clinical application | Informatics | 270 (45.8%) |
| Diagnosis | 223 (37.9%) | |
| Prognosis | 26 (4.4%) | |
| Primary prevention | 25 (4.2%) | |
| Treatment | 24 (4.1%) | |
| Education | 1 (0.2%) | |
| Combined | 16 (2.7%) | |
| Others | 4 (0.7%) | |
| Studied organ | Heart | 413 (70.1%) |
| Coronary vasculature | 120 (20.4%) | |
| Aorta | 24 (4.1%) | |
| Pulmonary vasculature | 9 (1.5%) | |
| Pericardial fat | 6 (1.0%) | |
| Conduction system | 1 (0.2%) | |
| Combined | 16 (2.7%) | |
| Studied pathology | No Pathology | 192 (33.2%) |
| Atherosclerosis | 109 (18.9%) | |
| Valvular disorders | 34 (5.9%) | |
| Heart failure | 28 (4.8%) | |
| Ischemic heart disease | 22 (3.8%) | |
| Arrhythmia | 17 (2.9%) | |
| Cardiomyopathy | 16 (2.9%) | |
| Cancer or mass | 12 (2.0%) | |
| Multiple pathologies | 103 (17.8%) | |
| Other pathologies | 45 (7.8%) |