Frailty status | Overall | Not frail (CFS 1–4) | Frail (CFS 5–9) | p-value |
---|---|---|---|---|
Number of admissions | 308 (100%) | 143 (46.4%) | 165 (53.6%) | |
Age | 84 [82–87] | 82 [81–86] | 85 [82–88] | < 0.001 |
Male | 164 (50%) | 79 (55.2%) | 75 (45.5%) | 0.09 |
APACHE II | 18 [12–26] | 15 [12–25] | 19 [12–26] | 0.18 |
SAPS II | 39 [29.5–51] | 37 [29–48] | 42 [30–55] | 0.17 |
SOFA Score | 6 [3–10] | 6 [3–9] | 7 [4–10] | 0.016 |
Cause of admission | ||||
Acute medical | 162 (52.6%) | 58 (40.6%) | 104 (63%) | < 0.001 |
Acute surgery | 16 (5.2%) | 8 (5.6%) | 8 (4.8%) | 0.77 |
Trauma | 33 (10.7%) | 14 (9.8%) | 19 (11.5%) | 0.63 |
Elective surgery | 97 (31.5%) | 63 (44.1%) | 34 (20.6%) | < 0.001 |
ICU length of stay (days) | 3.1 [1.1–8.1] | 2.9 [1–7] | 3.4 [1.4–9.5] | 0.21 |
Use of life sustaining treatments | ||||
Non-invasive ventilation | 104 (33.8%) | 48 (33.6%) | 56 (33.9%) | 0.95 |
Mechanical ventilation | 141 (45.8%) | 59 (41.3%) | 82 (49.7%) | 0.14 |
Vasoactive drugs | 189 (61.4%) | 82 (57.3%) | 107 (64.8%) | 0.18 |
Renal replacement therapy | 59 (19.2%) | 26 (18.2%) | 33 (20%) | 0.69 |
Treatment withheld | 41 (13.3%) | 11 (7.7%) | 30 (18.2%) | 0.01 |
Treatment withdrawn | 36 (11.7%) | 10 (7%) | 26 (15.8%) | 0.02 |
ICU mortality | 53 (17.3%) | 16 (11.3%) | 37 (22.4%) | 0.01 |
30-day mortality | 84 (31.2%) | 23 (18.4%) | 61 (42.4%) | < 0.001 |