Table 1 Baseline characteristics of patients in the training and test datasets.
Characteristics | Complete data | A4C view data | ||
|---|---|---|---|---|
Train data | Test data | Train data | Test data | |
Number of patients | 2850 | 373 | 2546 | 337 |
Number of images | 1,624,780 | 169,880 | 172,080 | 21,540 |
Sex (% Male) | 52.4% | 52.8% | 52.2% | 53.7% |
Age: mean, years (std) | 61.3 (17.2) | 62.8 (16.8) | 61.1 (17.1) | 63.2 (16.9) |
Weight: mean, Kg (std) | 78.8 (22.7) | 78.9 (20.8) | 78.0 (21.7) | 78.5 (20.2) |
Height: mean, m (std) | 1.69 (0.11) | 1.69 (0.11) | 1.69 (0.12) | 1.69 (0.11) |
BMI: mean (std) | 27.3 (6.7) | 27.5 (6.5) | 27.1 (6.5) | 27.3 (6.1) |
Pacemaker or defibrillator lead (% Present) | 13.2 | 14.7 | 13.1 | 15.1 |
Severe left atrial enlargement (% Present) | 17.2 | 20.3 | 18.0 | 21.9 |
Left ventricular hypertrophy (% Present) | 33.3 | 38.0 | 32.7 | 37.9 |
End diastolic volume, mL: mean (std) | 94.3 (47.2) | 94.6 (13.0) | 95.1 (48.2) | 96.9 (48.0) |
End systolic volume, mL: mean (std) | 45.6 (38.3) | 46.2 (36.1) | 46.0 (39.3) | 47.0 (36.6) |
Ejection fraction: mean (std) | 55.2 (12.3) | 54.7 (13.0) | 55.1 (12.2) | 54.8 (13.1) |
