Table 1.
Demographic and intensive care unit admission characteristics*
| Short-stay (≤24 h) | Non-short-stay (>24 h) | P | |
|---|---|---|---|
| Number of patients | 206 | 613 | NA |
| Female | 93 (45.1) | 290 (47.3) | 0.59 |
| Age (year) | 58.2±17.9 | 61.2±16.9 | 0.03 |
| Body mass index (kg/m2) | 27.7±8.2 | 28.1±8.9 | 0.52 |
| Race | |||
| White | 91 (44.2) | 282 (46.0) | 0.72 |
| Black | 79 (38.4) | 243 (39.6) | |
| Asian/Pacific-Islander | 14 (6.8) | 42 (6.9) | |
| Hispanic/Latino | 17 (8.3) | 36 (5.9) | |
| Unknown | 5 (2.4) | 10 (1.6) | |
| Triage location | |||
| Emergency department | 160 (77.7) | 392 (67.4) | <0.001 |
| Floor | 46 (22.3) | 221 (36.1) | |
| Surgery prior to ICU admission | 3 (1.5) | 22 (3.6) | 0.16 |
| Chronic diagnoses** | |||
| Chronic kidney disease | 36 (17.5) | 89 (14.5) | 0.31 |
| Cirrhosis | 8 (3.9) | 42 (6.9) | 0.12 |
| Metastatic neoplasm | 30 (14.6) | 107 (17.5) | 0.34 |
| Acute diagnoses** | |||
| Gastrointestinal hemorrhage | 17 (8.3) | 65 (10.6) | 0.33 |
| Acute kidney injury | 13 (6.3) | 69 (11.3) | 0.04 |
| Cardiac arrhythmia | 19 (9.2) | 76 (12.4) | 0.22 |
| Full code status | 188 (91.3) | 561 (91.5) | 0.91 |
| MPM0III, % | 13.7±15.6 | 19.0±17.3 | 0.0001 |
*Values given as mean±SD or n (%), unless otherwise indicated, **Acute and chronic diagnoses as defined in the MPM. SD: Standard deviation, ICU: Intensive care unit, MPM: Mortality probability model