Table 1.
Demographic characteristics of study participants.
| CSMC | SHC | ||||
|---|---|---|---|---|---|
| Apical 4 chamber | Apical 2 chamber | Parasternal long axis | Subcostal | Apical 4 chamber | |
| n, patients | 28,450 | 25,502 | 28,685 | 23,596 | 99,909 |
| n, videos | 186,426 | 71,086 | 110,399 | 65,558 | 99,909 |
| Age (mean (SD)) | 66.5 (±16.5) | 66.7 (±16.5) | 66.1 (±16.5) | 66.2 (±16.4) | 59.9 (±17.7) |
| Male (%) | 15,713 (55.2%) | 14,093 (55.3%) | 15,739 (54.9%) | 12,884 (54.6%) | 55,610 (55.7%) |
| Race/ethnicity, n (%) | |||||
| American Indian | 65 (0.2%) | 57 (0.2%) | 66 (0.2%) | 56 (0.2%) | 267 (0.3%) |
| Asian | 2162 (7.6%) | 1945 (7.6%) | 2157 (7.5%) | 1808 (7.7%) | 14,197 (14.2%) |
| Black | 4058 (14.3%) | 3681 (14.4%) | 4156 (14.5%) | 3322 (14.1%) | 4826 (4.8%) |
| Pacific Islander | 87 (0.3%) | 82 (0.3%) | 86 (0.3%) | 75 (0.3%) | 1428 (1.4%) |
| White | 19,519 (68.6%) | 17,444 (68.4%) | 19,595 (68.3%) | 16,211 (68.7%) | 56,498 (56.5%) |
| Other | 1980 (7.0%) | 1790 (7.0%) | 2021 (7.0%) | 1659 (7.0%) | 17,452 (17.5%) |
| Unknown | 579 (2.0%) | 503 (2.0%) | 604 (2.1%) | 465 (2.0%) | 5241 (5.2%) |
CSMC Cedars-Sinai Medical Center, SHC Stanford Healthcare.