Table 2 Patient characteristics according to the cause of admission
Admission unplannd vs. planned | Unplanned | Planned | p-value | ||
|---|---|---|---|---|---|
Cause of admission | Acute medical | Acute surgery | Trauma | Elective surgery | Elective vs acute |
Sample size | 162 (52.6%) | 16 (5.2%) | 33 (10.7%) | 97 (31.5%) | |
Age | 84 [82–86] | 83 [81–89] | 86 [83–90] | 83 [81–87] | 0.33 |
Male | 82 (50.6%) | 12 (75%) | 13 (39.4%) | 47 (48.5%) | 0.71 |
APACHE II | 20 [15–27] | 18 [14–18] | 18 [13–24] | 14 [10–19] | 0.001 |
SAPS II | 42 [34–53] | 46 [42–46] | 31 [23–46] | 35 [26–49] | 0.03 |
SOFA Score | 8 [4–10] | 11 [6–13] | 6 [4–9] | 4 [3–7] | < 0.001 |
Frailty status | |||||
Fit (CFS 1–3) | 30 (18.5%) | 7 (43.8%) | 8 (24.2%) | 28 (28.9%) | 0.15 |
Pre-frail (CFS 4) | 28 (17.3%) | 1 (6.3%) | 6 (18.2%) | 35 (36.1%) | < 0.001 |
Frail (CFS 5–9) | 104 (64.2%) | 8 (50%) | 19 (57.6%) | 34 (35.1%) | < 0.001 |
ICU length of stay (days) | 5 [2.0–10.5] | 6.2 [2.1–17.6] | 3 [1.3–6.8] | 1.4 [1–3.5] | < 0.001 |
Use of life sustaining treatments | |||||
Non-invasive ventilation | 63 (38.9%) | 6 (37.5%) | 10 (30.3%) | 25 (25.8%) | 0.04 |
Mechanical ventilation | 75 (46.3%) | 13 (81.3%) | 20 (60.6%) | 33 (34%) | 0.005 |
Vasoactive drugs | 110 (67.9%) | 15 (93.8%) | 20 (60.6%) | 44 (45.4%) | < 0.001 |
Renal replacement therapy | 41 (25.3%) | 4 (25%) | 1 (3%) | 13 (13.4%) | 0.08 |
Treatment withheld | 29 (17.9%) | 3 (18.8%) | 9 (27.3%) | 0 (0%) | < 0.001 |
Treatment withdrawn | 27 (16.7%) | 3 (18.8%) | 4 (12.1%) | 2 (2.1%) | < 0.001 |
ICU mortality | 39 (24.1%) | 4 (25%) | 6 (18.2%) | 4 (4.2%) | < 0.001 |
30-day mortality | 61 (41.8%) | 6 (50%) | 10 (38.5%) | 7 (8.2%) | < 0.001 |