Table 3.
Study-level demographic information (Echocardiogram cohort).
| BWH | MGH | UCSF | NW | Keio | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Case | Control | Case | Control | Case | Control | Case | Control | Case | Control | |
| Number of studies | 1486 | 3079 | 110 | 331 | 46 | 323 | 103 | 126 | 118 | 121 |
| Age, years ± SD | 72.9 ± 8.8 | 65.4 ± 14.5 | 71.9 ± 9.7 | 70.2 ± 12.3 | 70.3 ± 11.6 | 67.0 ± 12.8 | 75.1 ± 7.4 | 74.7 ± 7.6 | 74.2 ± 8.2 | 73.8 ± 8.5 |
| Age Groups | ||||||||||
| ≤30, n (%) | 0 (0.0) | 70 (2.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| 30–50, n (%) | 25 (1.7) | 381 (12.4) | 7 (6.4) | 36 (10.9) | 3 (6.5) | 37 (11.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| 50–70, n (%) | 477 (32.1) | 1363 (44.3) | 34 (30.9) | 108 (32.6) | 15 (32.6) | 137 (42.4) | 27 (26.2) | 39 (31.0) | 30 (25.4) | 34 (28.1) |
| 70–90, n (%) | 971 (65.3) | 1228 (39.9) | 69 (62.7) | 181 (54.7) | 28 (60.9) | 149 (46.1) | 75 (72.8) | 87 (69.0) | 86 (72.9) | 83 (68.6) |
| >90, n (%) | 13 (0.9) | 37 (1.2) | 0 (0.0) | 6 (1.8) | 0 (0.0) | 0 (0.0) | 1 (1.0) | 0 (0.0) | 2 (1.7) | 4 (3.3) |
| HR, bpm ± SD | 74.5 ± 18.4 | 71.1 ± 18.7 | 79.4 ± 21.5 | 71.4 ± 16.1 | 78.0 ± 14.7 | 74.1 ± 21.9 | 74.7 ± 19.5 | 63.8 ± 9.9 | 71.8 ± 17.0 | 69.4 ± 15.4 |
| Manufacture | ||||||||||
| Philips, n (%) | 272 (18.3) | 2340 (76.0) | 105 (95.5) | 313 (94.6) | 44 (97.5) | 312 (96.6) | 0 (0.0) | 0 (0.0) | 48 (40.7) | 38 (31.4) |
| GE, n (%) | 1204 (81.0) | 724 (23.5) | 5 (4.5) | 18 (5.4) | 2 (4.3) | 11 (3.4) | 103 (100.0) | 126 (100.0) | 47 (39.8) | 57 (47.1) |
| Agilent, n (%) | 3 (0.2) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| SonoSite, n (%) | 1 (0.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| SIEMENS, n (%) | 6 (0.4) | 15 (0.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| TOSHIBA, n (%) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 23 (19.5) | 26 (21.5) |
HR heart rate, BWH Brigham and Women’s Hospital, MGH Massachusetts General Hospital, UCSF University of California San Francisco, NW Northwestern University, Keio: Keio University Hospital. N represents the number of studies.