Table 2.
Patient-level demographic information (ECG cohort).
| BWH | MGH | UCSF | ||||
|---|---|---|---|---|---|---|
| Case | Control | Case | Control | Case | Control | |
| Number of patients | 480 | 7,457 | 52 | 430 | 65 | 725 |
| Age, years ± SD | 70.8 ± 9.8 | 62.2 ± 13.2 | 71.4 ± 9.4 | 73.7 ± 8.8 | 65.5 ± 11.1 | 67.5 ± 11.7 |
| Age Groups | ||||||
| ≤30, n (%) | 0 (0.0) | 81 (1.1) | 0 (0.0) | 1 (0.2) | 0 (0.0) | 0 (0.0) |
| 30–50, n (%) | 13 (2.7) | 1,195 (16.0) | 2 (3.8) | 6 (1.4) | 5 (7.7) | 68 (9.4) |
| 50–70, n (%) | 185 (38.5) | 3,929 (52.7) | 19 (36.5) | 133 (30.9) | 34 (52.3) | 278 (38.3) |
| 70–90, n (%) | 277 (57.7) | 2,198 (29.5) | 31 (59.6) | 290 (67.4) | 26 (40.0) | 379 (52.3) |
| >90, n (%) | 5 (1.0) | 54 (0.7) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Female, n (%) | 91 (19.0) | 2,908 (39.0) | 9 (17.3) | 48 (11.2) | 16 (24.6) | 132 (18.2) |
| Amyloid type | ||||||
| ATTR, n (%) | 283 (59.0) | N/A | 31 (59.6) | N/A | 10 (15.4) | N/A |
| AL, n (%) | 165 (34.4) | N/A | 15 (38.8) | N/A | 38 (58.5) | N/A |
| Other, n (%) | 32 (11.5) | N/A | 6 (3.8) | N/A | 17 (26.2) | N/A |
BWH Brigham and Women’s Hospital, MGH Massachusetts General Hospital, UCSF University of California San Francisco. Age on patient level is calculated as mean of all studies for a patient. N/A = not applicable. N represents the number of patients.