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Table 4 Predictive factors for 30-day survival in patients with limitations on life support at ICU admission

From: Limitation of life support techniques at admission to the intensive care unit: a multicenter prospective cohort study

 

Died, n = 141

Survived, n = 97

Unadjusted HR (95% CI)

Adjusted HR (95% CI)

Age, year

71.4 ± 12.2

75.2 ± 15.0

0.99 (0.98–0.99)

0.98 (0.97–0.99)

Female sex

58 (54.7%)

48 (45.3%)

1.16 (0.83–1.62)

1.2 (0.85–1.71)

Reason for ICU admission

 Worsening of chronic disease

31 (46.3%)

36 (53.7%)

1

1

 Coma or encephalopathy

48 (78.7%)

13 (21.3%)

2.51 (1.59–3.95)

1.79 (1.10–2.91)

 Sepsis

22 (66.7%)

11 (33.3%)

1.80 (1.04–3.11)

1.64 (0.90–2.97)

 Other

40 (51.9%)

37 (48.1%)

1.23 (0.77–1.97)

1.23 (0.68–1.97)

Predicted risk of death, %

54.6 [38.9–72.0]

24.0 [12.0–45.0]

1.03 (1.02–1.03)

1.02 (1.02–1.03)

Prior functional Knaus status

 Class A

26 (70.3%)

11 (29.7%)

1

1

 Class B

55 (57.3%)

41 (42.7%)

0.78 (0.49–1.25)

0.83 (0.49–1.38)

 Class C

45 (59.2%)

31 (40.8%)

0.83 (0.51–1.34)

0.56 (0.31–1.02)

 Class D

15 (51.7%)

14 (48.3%)

0.71 (0.38–1.35)

0.45 (0.22–0.92)

Criteria for limitations, number

2 [2–3]

2 [1–3]

1.33 (1.14–1.55)

1.45 (1.22–1.76)

Limited techniques, number

3 [2–5]

3 [2–4]

1.16 (1.03–1.31)

1.10 (0.97–1.25)

  1. Mean (SD); n (% of the row); median [interquartile range]