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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Treatment withdrawn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