Table 1.
Patient Characteristics
| Characteristic | All Patients (N = 30,677) | Ward Patients (n = 12,154) | ED patients (n = 18,523) | P Value |
|---|---|---|---|---|
| Age, mean ± SD, yr | 58 ± 18.0 | 57 ± 16.7 | 58 ± 18.9 | <0.001 |
| Female sex, n (%) | 16,116 (53) | 5,856 (48) | 10,260 (55) | <0.001 |
| Race, n (%) | <0.001 | |||
| Black | 17,813 (58) | 4,384 (36) | 13,429 (73) | |
| White | 10,685 (35) | 6,631 (55) | 4,054 (22) | |
| Other | 1,253 (4) | 595 (5) | 658 (4) | |
| Unknown | 926 (3) | 544 (4) | 382 (2) | |
| LOS before time of suspicion, median (IQR), h | 2.9 (1.1–7.9) | 7.4 (2.4–30.5) | 1.9 (0.8–4.3) | <0.001 |
| LOS after time of suspicion, median (IQR), d | 7.3 (5.8–11.6) | 8.3 (6.0–14.3) | 6.8 (5.8–10.1) | <0.001 |
| Met Angus sepsis criteria, n (%) | 8,744 (29) | 3,350 (28) | 5,394 (29) | 0.003 |
| Ever ICU transfer, n (%) | 7,258 (24) | 2,390 (20) | 4,868 (26) | <0.001 |
| Ever received vasopressor, n (%) | 2,724 (9) | 1,113 (9) | 1,611 (9) | 0.166 |
| In-hospital mortality, n (%) | 1,649 (5) | 729 (6) | 920 (5) | <0.001 |
| Composite outcome, n (%) | 7,385 (24) | 2,385 (20) | 5,000 (27) | <0.001 |
Definition of abbreviations: ED = emergency department; ICU = intensive care unit; IQR = interquartile range; LOS = length of stay.