Table 1.
Dataset demographics
| Training dataset | Validation dataset | Test dataset | |
|---|---|---|---|
| Total no. of radiographs | 8327 | 1041 | 1065 |
| Total no. of echocardiography | 6010 | 739 | 763 |
| Total no. of patients | 4512 | 563 | 563 |
| Male | 2634 | 340 | 336 |
| Female | 1878 | 223 | 227 |
| Mean age (years ± SD) | 65 ± 15 | 65 ± 14 | 65 ± 14 |
| Mean period between examinations (days ± SD) | 5 ± 8 | 5 ± 8 | 5 ± 8 |
| Severity of AS | |||
| AS-negative | 7407 | 960 | 959 |
| Mild | 182 | 19 | 26 |
| Moderate | 152 | 11 | 13 |
| Severe | 586 | 51 | 67 |
| Type of valve | |||
| Tricuspid valve | 8277 | 1027 | 1060 |
| Bicuspid valve | 50 | 14 | 5 |
| Left ventricular ejection fraction | |||
| ≥50% | 6650 | 853 | 859 |
| 40–50% | 672 | 74 | 80 |
| <40% | 1005 | 114 | 126 |
Data are n radiographs unless otherwise noted.
AS, aortic stenosis; SD, standard deviation.