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Table 4 Cox proportional hazards

From: Cognitive impairment is undetected in medical inpatients: a study of mortality and recognition amongst healthcare professionals

  Bivariate models HR (95% CI) p value Multivariable model HR (95% CI) p value
Age (years) 1.03 (0.99-1.06) 0.11   
Male sex 1.50 (0.91-2.47) 0.11 1.75 (1.02-2.93) 0.03
Living alone 1.12 (0.63-1.98) 0.70   
Home care 1.96 (1.10-3.47) 0.02 1.82 (1.05-3.14) 0.03
Intervention status (0 = control, 1 = interv.) 1.03 (0.62-1.69) 0.92   
Education ≤ 8 years 1.03 (0.62-1.74) 0.90   
Ischemic heart disease 1.07 (0.64-1.81) 0.79   
Arrhythmia 1.21 (0.72-2.01) 0.47   
Heart failure 1.98 (1.19-3.29) 0.01   
Hypertension 0.96 (0.58-1.97) 0.87   
COPD 1.18 (0.62-2.24) 0.62   
Gastrointestinal disease 1.30 (0.71-2.40) 0.40   
Stroke/TIA 0.96 (0.51-1.82) 0.91   
Cancer, nonskin 1.44 (0.86-2.43) 0.17   
Diabetes 1.04 (0.55-2.00) 0.90   
Neurocognitive disorder 1.39 (0.60-3.23) 0.44   
Drugs (total number) 1.05 (0.98-1.11) 0.15   
Charlson index (points) 1.35 (1.16-1.58) <0.001 1.31 (1.12-1.54) 0.001
Cognitive tests     
1 abnormal vs 0 2.98 (1.33-6.65) 0.008 2.86 (1.28-6.39) 0.01
2 abnormal vs 0 3.29 (1.47-7.45) 0.004 3.39 (1.54-7.45) 0.002
  1. Cox proportional hazards. Bivariate models are adjusted for age and sex where applicable. All categorical variables are coded 0 = no, 1 = yes unless indicated otherwise.