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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