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Table 3 Predictors of mortality in the ICU, in hospital, and at 1 year after admission

From: Long-term survival and quality of life after intensive care for patients 80 years of age or older

  ICU mortality (n = 389) Hospital mortality for ICU survivors (n = 294) 1-year mortality for hospital survivors (n = 230)
  Adjusted HR (95 % CI) Adjusted HR (95 % CI) Adjusted HR (95 % CI)
Age, years 1.10 (1.03–1.18)a   
Male    
Ventilator support    
 Mechanical ventilator support 1.99 (1.10–3.60)a 1.40 (0.81–2.43)  
 Non-invasive ventilator support 0.87 (0.51–1.49)   
Severity score, mean    
 SAPS II 1.03 (1.01–1.04)a 1.01 (0.99–1.03) 1.01 (0.99–1.03)
 Max. SOFA 1.20 (1.10–1.31)a 1.03 (0.95–1.12)  
Comorbidity    
 None (CCI 0) 1.00   1.00
 Mild (CCI 1–2) 0.68 (0.35–1.30)   1.02 (0.43–2.46)
 Moderate (CCI 3–4) 0.53 (0.25–1.11)   1.06 (0.42–2.65)
 Severe (CCI ≥ 5) 0.53 (0.23–1.25)   2.09 (0.99–5.39)
Severe organ dysfunction    
 Respiration 1.05 (0.55–1.97)   
 Circulation 0.76 (0.39–1.48)   
 Renal 1.50 (0.88–2.54)   
 CNS 1.19 (0.71–1.99)   
 Coagulation    
 Liver    
Admission categories    
 Planned surgery 1.00 1.00 1.00
 Unplanned surgery 1.40 (0.54–3.65) 3.46 (1.06–11.24)a 2.02 (0.88–4.64)
 Medical reasons 2.11 (0.80–5.58) 3.17 (0.94–10.76) 1.97 (0.83–4.70)
Diagnostic groups    
 Respiratory failure 1.03 (0.55–1.90)   1.86 (1.13–3.07)a
 Circulatory failure    
 Combined respiratory and circulatory failure    
 Neurologic failure   1.67 (0.86–3.25)  
 Isolated head injury 1.56 (0.58–4.18)   9.12 (2.44–34.14)a
 Sepsis 1.20 (0.63–2.69)   
 Gastroenterological failure    
 Multiple organ failure 1.27 (0.60–2.69) 1.67 (0.64–4.31)  
 Multitrauma without head injury    
 Multitrauma with head injury 2.99 (1.04–8.60)a   
 Planned surgery    
 Acute operation    
 Unspecified    
  1. ICU intensive care unit, SAPS II simplified acute physiology score II, SOFA sequential organ failure assessment, HR hazard ratio, CI confidence interval, CCI Charlson comorbidity index
  2. aSignificant differences