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Table 10 Survival feature ranking – Random Forests

From: Data analytics and clinical feature ranking of medical records of patients with sepsis

position

MDI

MDA

feature

1

3.50

3.13×10−03

platelets

2

2.87

1.97×10−03

creatinine***

3

2.42

1.76×10−03

respiration (PaO2)***

4

2.74

9.33×10−04

age

5

2.74

4.53×10−04

initial procalcitonin (PCT)

6

1.44

1.82×10−03

Glasgow coma scale

7

1.99

3.79×10−04

respiration (FiO2)

8

7.58×10−01

1.62×10−03

mechanical vent

9

4.51×10−01

5.32×10−06

hypertension (HTN)

10

3.90×10−01

3.55×10−04

chronic obstructive pulmonary disease (COPD)

11

3.64×10−01

4.45×10−04

coronary artery disease (CAD)

12

2.39

−5.85×10−04

bilirubin

13

3.43×10−01

8.71×10−05

diabetes mellitus (DM)

14

4.63×10−01

−3.37×10−05

cancer

15

3.39×10−01

2.78×10−04

congestive heart failure (CHF)

16

2.16

−5.21×10−05

mean arterial pressure

17

2.29

−2.14×10−03

anatomical site of infection

18

4.93×10−01

−2.46×10−04

sex

19

3.41×10−01

1.75×10−04

urine output 24 hours

20

1.01

−1.09×10−03

microorganism

21

9.88×10−02

−5.87×10−05

chronic kidney disease (CKD) with dialysis

22

7.42×10−02

−8.02×10−06

pulmonary embolism (PE)

23

2.88×10−01

−2.28×10−04

extent of infection

24

3.01×10−01

−2.85×10−04

chronic kidney disease (CKD) without dialysis***

25

2.32×10−01

−1.09×10−04

atrial fibrillation

  1. Feature ranking results obtained through Random Forests. ***: feature in a ranking position that clearly differs from its ranking positions in all the biostatistics analysis feature rankings (Table 11)