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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]