Demographics—aggregated clinical and demographic characteristics of patients from nine hospitals used for clinical outcomes analysis
| Clinical outcomes analysis | ||
| Baseline | MLA | |
| Total no | 12 793 | 62 354 |
| Mean age (SD) | 45 (24.4) | 45 (24.0) |
| Male | 5429 (42.4) | 26 126 (41.9) |
| Female | 7364 (57.6) | 36 228 (58.1) |
| Unknown | — | — |
| White | 11 832 (87.7) | 54 635 (81.8) |
| Black | 594 (4.4) | 2469 (3.7) |
| Hispanic | 1063 (7.87) | 9609 (14.4) |
| Asian American | 10 (0.1) | 44 (0.1) |
| Unknown | — | — |
| Temperature | 36.8 (0.3) | 36.8 (0.3) |
| Respiratory rate | 18.2 (4.7) | 18.2 (4.1) |
| Systolic blood pressure | 127.0 (18.0) | 129.5 (19.1) |
| Diastolic blood pressure | 72.9 (11.0) | 75.1 (11.5) |
| Heart rate | 84.7 (17.3) | 86.1 (18.5) |
| Lactate | 1.9 (1.70) | 1.9 (1.86) |
| Creatinine | 1.4 (2.54) | 1.2 (1.70) |
| International normalised ratio | 1.2 (0.58) | 1.3 (0.90) |
| Platelets | 239.5 (77.1) | 241.9 (85.0) |
| SpO2 | 97.4 (1.6) | 97.4 (1.7) |
| White blood count | 8.4 (2.51) | 8.2 (2.03) |
| PaO2 | 101.7 (47.9) | 103.8 (51.8) |
| Bilirubin | 0.7 (1.3) | 0.7 (1.1) |
| FiO2 | 44.3 (20.4) | 46.6 (22.2) |
| pH | 7.4 (0.08) | 7.4 (0.09) |
Values are shown with percentages of total population or SD.
FiO2, fractional inspired oxygen; MLA, machine learning-based algorithm; PaO2, arterial oxygen tension (or pressure).