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Table 6 Septic shock (vasopressors) feature ranking – Random Forests

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

position

MDI

MDA

feature

1

4.73

7.48×10−03

creatinine

2

3.19

1.13×10−02

Glasgow coma scale

3

4.72

9.22×10−03

mean arterial pressure

4

4.70

6.19×10−03

initial procalcitonin (PCT)

5

3.43

1.89×10−03

platelets

6

3.14

4.74×10−03

anatomical site of infection

7

2.60

5.87×10−03

respiration (FiO2)

8

2.86

1.90×10−03

respiration (PaO2)

9

1.42

5.74×10−03

mechanical vent

10

2.81

7.43×10−04

age***

11

1.37

1.13×10−03

microorganism

12

6.71×10−01

1.01×10−03

urine output 24 hours

13

4.92×10−01

1.82×10−04

hypertension (HTN)

14

3.32×10−01

7.19×10−04

chronic kidney disease (CKD) without dialysis

15

3.82×10−01

2.72×10−04

coronary artery disease (CAD)

16

2.36

1.07×10−04

bilirubin

17

3.46×10−01

3.16×10−04

extent of infection

18

4.02×10−01

−3.68×10−05

diabetes mellitus (DM)

19

3.14×10−01

2.06×10−05

congestive heart failure (CHF)

20

2.12×10−01

5.70×10−04

chronic kidney disease (CKD) with dialysis

21

4.32×10−01

−3.62×10−04

sex

22

2.21×10−01

−3.58×10−06

atrial fibrillation

23

3.49×10−01

−1.00×10−04

chronic obstructive pulmonary disease (COPD)

24

3.08×10−01

−1.12×10−04

cancer

25

3.69×10−02

−1.28×10−05

pulmonary embolism (PE)

  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 7)