Table 1.
Demographic breakdown of retrospective and prospective cohorts
| Demographic breakdown |
Retrospective cohorts |
Prospective cohorts |
|||||
|---|---|---|---|---|---|---|---|
| Diagnostic | CBC | Magnesium | Metabolic | CBC | Magnesium | Metabolic | |
| N unique patients | 13 362 | 11 771 | 13 410 | 18 982 | 5234 | 16 441 | |
| Age, mean (SD) | 51.4 (23.7) | 53.1 (24.2) | 54.6 (21.4) | 55.7 (21.4) | 62.1 (17.8) | 55.4 (21.1) | |
| Sex, n (%) | Female | 7103 (53.2) | 5432 (46.1) | 6923 (51.6) | 10 092 (53.2) | 2425 (46.3) | 8711 (53.0) |
| Male | 6259 (46.8) | 6338 (53.8) | 6485 (48.4) | 8884 (46.8) | 2808 (53.6) | 7724 (47.0) | |
| Unknown | 0 (0.0) | 1 (0.0) | 2 (0.0) | 6 (0.0) | 1 (0.0) | 6 (0.0) | |
| Race, n (%) | White | 6888 (51.5) | 6038 (51.3) | 6915 (51.6) | 9009 (47.5) | 2726 (52.1) | 7636 (46.4) |
| Other | 2870 (21.5) | 2899 (24.6) | 2680 (20.0) | 4545 (23.9) | 1067 (20.4) | 4103 (25.0) | |
| Asian | 2444 (18.3) | 1739 (14.8) | 2600 (19.4) | 3612 (19.0) | 928 (17.7) | 3125 (19.0) | |
| Black | 557 (4.2) | 587 (5.0) | 583 (4.3) | 1060 (5.6) | 327 (6.2) | 884 (5.4) | |
| Unknown | 391 (2.9) | 238 (2.0) | 420 (3.1) | 382 (2.0) | 56 (1.1) | 353 (2.1) | |
| Pacific Islander | 168 (1.3) | 212 (1.8) | 171 (1.3) | 294 (1.5) | 98 (1.9) | 261 (1.6) | |
| Native American | 44 (0.3) | 58 (0.5) | 41 (0.3) | 80 (0.4) | 32 (0.6) | 79 (0.5) | |
Note: Retrospective cohorts were sourced from Stanford’s clinical data warehouse (STARR). Prospective cohorts were collected in real-time through the EMR transactional database (Epic Chronicles) as diagnostic orders triggered model inferences between January 11 and February 15, 2023.
CBC: complete blood count.