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Evid Based Nurs 1:127 doi:10.1136/ebn.1.4.127
  • Causation

Depression was associated with decreased survival for hospital patients who were seriously ill

Risk factors associated with mortality of hospital patients who were severely ill (hazards ratio for each unit of change)

Variable Hazard ratio 95% CI
Sex (being a man) 1.16 1.04 to 1.29
Depressed mood score 1.13 1.07 to 1.20
Increased number of comorbid illnesses 1.13 1.08 to 1.18
Decreased activities of daily living 1.10 1.06 to 1.13
Age (for each 10 y increase) 1.07 1.02 to 1.11
SUPPORT model 6 month survival 0.64 0.57 to 0.71

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