Table 2.
Hospital mortality, length of stay and readmission rate stratified by ICU discharge time
| Outcomes | Total | Nighttime discharges | Daytime discharges | P value |
|---|---|---|---|---|
| n: 19,622 | n = 3,505 (17.9 %) | n = 16,117 (82.1 %) | ||
| Hospital mortality, n (%) | ||||
| All | 1,837 (9.4) | 412 (11.8) | 1,425 (8.8) | <0.001 |
| Post-operative admission | 429 (6.5) | 80 (8.8) | 349 (6.1) | 0.002 |
| Emergency department admission | 603 (9.5) | 143 (11.2) | 460 (9.0) | 0.017 |
| Other hospital admission | 195 (6.2) | 47 (7.8) | 148 (5.8) | 0.07 |
| Ward admission | 610 (17.4) | 142 (19.8) | 468 (16.8) | 0.06 |
| Community hospitals admissions | 492 (8.6) | 95 (10.9) | 397 (8.2) | 0.009 |
| Tertiary hospitals admissions | 1,345 (9.7) | 317 (12.0) | 1,028 (9.1) | <0.001 |
| Hospital LOS survivors, (d) | 15 (8–31) | 15 (8–30) | 14 (7–29) | 0.12 |
| Hospital LOS non-survivors, (d) | 23 (11–45) | 20 (11–43) | 23 (12–45) | 0.11 |
| Post ICU Hospital LOS, (d) | 9 (3–23) | 10 (4–23) | 10 (4–22) | 0.06 |
| Readmissions to the ICU, n (%) | 1369 (7.0) | 260 (7.4) | 1,109 (6.9) | 0.26 |
| Within 72 hs after discharge | 538 (2.7) | 107 (3.0) | 431 (2.7) | 0.21 |
| More than 72 h after discharge | 831 (4.2) | 153 (4.4) | 678 (4.2) | 0.67 |
| Community hospitals admissions | 343 (6.0) | 67 (7.7) | 276 (5.7) | 0.023 |
| Tertiary hospitals admissions | 1,026 (7.4) | 193 (7.3) | 833 (7.4) | 0.92 |
Legend: ICU: Intensive Care Unit; LOS: Length of stay (median [IQR])