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Table 1 Summary statistics for the data set

From: Combining symbolic regression with the Cox proportional hazards model improves prediction of heart failure deaths

  

Overall

Min

25%

50%

75%

Max

n

 

299

     

TIME, mean (SD)

 

130.3 (77.6)

4

73

115

203

285

Event, n (%)

0

203 (67.9)

     
 

1

96 (32.1)

     

Gender, n (%)

0

105 (35.1)

     
 

1

194 (64.9)

     

Smoking, n (%)

0

203 (67.9)

     
 

1

96 (32.1)

     

Diabetes, n (%)

0

174 (58.2)

     
 

1

125 (41.8)

     

BP, n (%)

0

194 (64.9)

     
 

1

105 (35.1)

     

Anaemia, n (%)

0

170 (56.9)

     
 

1

129 (43.1)

     

Age, mean (SD)

 

60.8 (11.9)

40

51

60

70

95

EF, mean (SD)

 

38.1 (11.8)

14

30

38

45

80

Sodium, mean (SD)

 

136.6 (4.4)

113

134

137

140

148

Creatinine, mean (SD)

 

1.4 (1.0)

0.5

0.9

1.1

1.4

9.4

Pletelets, mean (SD)

 

263K (97K)

25K

212K

262K

303K

850K

CPK, mean (SD)

 

581.8 (970.3)

23

116.5

250

582

7861