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Table 2 Description of attributes from SUPPORT dataset

From: Rough set theory based prognostic classification models for hospice referral

Variable name Description Patient distribution
Numerical condition attributes Range Mean Std. Dev.
age Age of the patient 18–101 62.65 15.59
alb Serum albumin 0.4–29 2.95 0.87
bili Bilirubin 0.1–63 2.55 5.32
crea Serum creatinine 0.09–21.5 1.77 1.69
hday Number of days in hospital at study entry 1–148 1.00 9.13
hrt Heart rate 0–300 97.16 31.56
meanbp Mean arterial blood pressure 0–195 84.55 27.70
pafi Blood gasses, PaO2/(.01FiO2) 12–890.4 239.50 109.70
resp Respiration rate 0–90 23.33 9.57
scoma SUPPORT coma score, based on Glasgow coma scale 0–100 12.06 24.63
sod Sodium 110–181 137.60 6.03
temp Temperature in °C 31.7–41.7 37.10 1.25
wblc White blood cell count 0.05–200 12.35 9.27
Categorical condition attributes Patients Percentage (%)  
dzgroup Diagnosis group:    
  ARF/MOSF w. sepsis 3,513 38.59  
  CHF 1,387 15.23  
  Cirrhosis 508 5.56  
  Colon cancer 512 5.62  
  Coma 596 6.54  
  COPD 967 10.60  
  Lung cancer 908 9.97  
  MOSF w. malignancy 712 7.81  
ca Presence of cancer:    
  Yes 1,252 13.75  
  No 5,993 65.84  
  Metastasis 1,858 20.40  
Decision attribute Patients Percentage (%)  
d.6months Death occurred within 6 months:    
  Yes 4,263 46.83  
  No 4,840 53.17  
  1. Values of 0 for hrt, meanbp and resp correspond to cardiac arrests during the day when the measurements were taken