Table 2.
CMR acquisition data for study participants in the training/validation and test sets
| Parameter | Training/validation set (n = 123) |
Test set (n = 30) |
|---|---|---|
| Imaging | ||
| Flip angle (°) | 64 (15–80) | 57 (45–81) |
| Phase spatial resolution (mm) | 1.9 (0.9–3.0) | 1.4 (0.5–2.1) |
| Frequency spatial resolution (mm) | 1.6 (0.8–2.8) | 1.4 (0.5–2.1) |
| Slice thickness (mm) | 7.1 (4.0–10.0) | 7.7 (4.5–10.0) |
| Repetition time (ms) | 15.8 (2.6–48.7) | 16.6 (2.7–60.5) |
| Echo time (ms) | 1.4 (1.1–3.3) | 1.4 (1.1–1.8) |
| Magnetic field strength | ||
| 1.5T | 120 (98) | 30 (100) |
| 3T | 3 (2) | – |
| Manufacturer | ||
| Siemens Healthineers | 55 (45) | 13 (43) |
| Philips Healthcare | 41 (33) | 8 (27) |
| GE Healthcare | 27 (22) | 9 (30) |
| Model | ||
| Siemens Avanto | 55 (45) | 3 (10) |
| Siemens Intera | 41 (33) | 8 (27) |
| GE Discovery MR450 | 14 (11) | 3 (10) |
| GE Signa HDxt | 10 (9) | 1 (3) |
| GE Discovery MR750w | 3 (2) | – |
| Siemens Aera | – | 10 (33) |
| Philips Achieva | – | 3 (10) |
| Philips Ingenia | – | 2 (7) |
Numerical data are reported as mean (range). Categorical data are reported as the count (percentage). CMR cardiovascular magnetic resonance