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Table 1 Patient characteristics according to the frailty status

From: Clinical Frailty Scale (CFS) reliably stratifies octogenarians in German ICUs: a multicentre prospective cohort study

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Treatment withdrawn 36 (11.7%) 10 (7%) 26 (15.8%) 0.02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