Table 1 Patient characteristics of four diastolic grade groups determined by echocardiography in test set.
From: Artificial intelligence-enabled ECG for left ventricular diastolic function and filling pressure
Test (n = 98,763) | ||||
|---|---|---|---|---|
Normal (n = 57,301) | Grade 1 (n = 19,579) | Grade 2 (n = 17,815) | Grade 3 (n = 4068) | |
Age, year | 54.0 ± 16.0 | 69.0 ± 10.8 | 73.9 ± 12.4 | 69.2 ± 14.6 |
Female sex, number (%) | 28,873 (50.4%) | 9678 (49.4%) | 10,049 (56.4%) | 1493 (36.7%) |
Myocardial infarction, number (%) | 3269 (5.7%) | 1735 (8.9%) | 2746 (15.5%) | 705 (17.4%) |
Congestive heart failure, number (%) | 4774 (8.4%) | 2598 (13.3%) | 6777 (38.1%) | 2633 (64.9%) |
Cerebrovascular disease, number (%) | 3835 (6.7%) | 2340 (12.0%) | 2537 (14.3%) | 465 (11.5%) |
Chronic pulmonary disease, number (%) | 6444 (11.3%) | 3097 (15.9%) | 4370 (24.6%) | 1051 (25.9%) |
Diabetes, number (%) | 5778 (10.1%) | 3356 (17.1%) | 5086 (28.5%) | 1206 (29.6%) |
Renal disease, number (%) | 4786 (8.4%) | 2633 (13.5%) | 5288 (29.8%) | 1406 (34.7%) |
Hypertension, number (%) | 19,673 (34.4%) | 10,779 (55.2%) | 11,990 (67.5%) | 2378 (58.6%) |
Obesity, number (%) | 18,141 (31.7%) | 6630 (33.9%) | 6385 (35.8%) | 1423 (35.0%) |
