Table 2.
General patient characteristics, grouped by acuity class
| Total | Acute (ICU only) (N = 2,099) | Subacute (SDU + ICU Subacute) (N = 611) |
|---|---|---|
| ED origin, n (%) | 1166 (55.6) | 186 (30.4) |
| Age, mean ± SD, yr | 61.36 ± 17.93 | 61.86 ± 18.13 |
| Men, n (%) | 1,078 (51.4) | 303 (49.6) |
| Insurance, n (%) | ||
| Medicare | 1,176 (56.0) | 340 (55.6) |
| Medicaid | 464 (22.1) | 143 (23.4) |
| Private | 428 (20.4) | 118 (19.3) |
| Self-pay/other | 31 (1.5) | 10 (1.6) |
| Admission wait times, median (IQR), h | ||
| 1.05 (0.63–1.78) | 1.20 (0.75–2.14) | |
| ED | 1.23 (0.85–1.85) | 1.23 (0.78–1.85) |
| Non-ED | 0.79 (0.47–1.63) | 1.18 (0.71–2.29) |
| ICU/SDU length of stay, median (IQR), h* | ||
| Total | 51.73 (29.64–100.11) | 24.93 (17.38–47.67) |
| Service time | 39.73 (22.32–84.42) | 15.92 (11.22–15.92) |
| Time to transfer | 5.87 (2.98–14.01) | 5.69 (3.23–11.62) |
| Hospital length of stay, median (IQR), d | 8.01 (4.42–16.92) | 6.20 (3.24–13.71) |
| In-hospital mortality, n (%) | 329 (15.7) | 56 (9.2) |
| Hospital readmission within 30 d, n (%) | 471 (22.4) | 137 (22.4) |
Definition of abbreviations: ED = emergency department; ICU = intensive care unit; IQR = interquartile range; SDU = step-down unit.
*
ICU/SDU length of stay was captured for 1,694 patients (62.5%), 1,479 (87.3%) of whom were classified as acute and 215 (12.7%) as subacute.