| Admitted to the ICU | Not admitted to the ICU | p-value | |
| Patients | 36 (73) | 13 (27) | |
| Setting of organ failure development | |||
| Initial department | 0.11 | ||
| Pulmonology unit | 13 (62) | 8 (38) | |
| Emergency or other ward | 23 (82) | 5 (18) | |
| Time of organ failure | 0.17 | ||
| Standard working hours | 22 (67) | 11 (33) | |
| Off-hours | 14 (88) | 2 (13) | |
| Time from hospital admission to organ failure days | 0 (0–4) | 4 (0–11) | 0.18 |
| Bed available in the medical ICU | 0.08 | ||
| No | 8 (53) | 7 (47) | |
| Yes | 28 (82) | 6 (18) | |
| Acute disease | |||
| Organ(s) involved | |||
| Neurological | |||
| Yes | 10 (67) | 5 (33) | 0.50 |
| No | 26 (76) | 8 (24) | |
| Respiratory | |||
| Yes | 25 (81) | 6 (19) | 0.18 |
| No | 11 (61) | 7 (39) | |
| Cardiovascular | |||
| Yes | 17 (85) | 3 (15) | 0.13 |
| No | 19 (66) | 10 (34) | |
| Renal | |||
| Yes | 2 (50) | 2 (50) | 0.28 |
| No | 34 (76) | 11 (24) | |
| Hepatic | |||
| Yes | 1 (100) | 0 (0) | 1 |
| No | 35 (73) | 13 (27) | |
| LOD score | 2 (1–7) | 1 (1–2) | 0.11 |
Data are presented as n (%) or median (interquartile range), unless otherwise stated. If no bed was available in the hospital's medical ICU, patients could be admitted to another ICU or to an intermediate-care unit. LOD: Logistic Organ Dysfunction.