Table 8 SOFA score feature ranking – Random Forests

1

9.44×10⁺⁰²

4.35

Glasgow coma scale

2

6.88×10⁺⁰²

2.68

creatinine

3

3.83×10⁺⁰²

1.01

platelets

4

2.29×10⁺⁰²

8.19×10⁻⁰¹

respiration (FiO2)

5

1.82×10⁺⁰²

3.32×10⁻⁰¹

mean arterial pressure

6

1.59×10⁺⁰²

6.63×10⁻⁰¹

mechanical vent

7

1.78×10⁺⁰²

2.78×10⁻⁰¹

bilirubin

8

1.39×10⁺⁰²

4.58×10⁻⁰¹

urine output 24 hours

9

1.73×10⁺⁰²

1.55×10⁻⁰¹

initial procalcitonin (PCT)

10

1.14×10⁺⁰²

1.91×10⁻⁰¹

respiration (PaO2)

11

8.34×10⁺⁰¹

5.76×10⁻⁰²

age

12

9.38×10⁺⁰¹

3.30×10⁻⁰²

anatomical site of infection

13

5.42×10⁺⁰¹

3.37×10⁻⁰²

microorganism

14

1.60×10⁺⁰¹

2.26×10⁻⁰²

chronic kidney disease (CKD) without dialysis

15

1.50×10⁺⁰¹

1.23×10⁻⁰²

sex

16

1.44×10⁺⁰¹

9.98×10⁻⁰³

hypertension (HTN)

17

1.26×10⁺⁰¹

9.76×10⁻⁰³

diabetes mellitus (DM)

18

1.15×10⁺⁰¹

8.04×10⁻⁰³

cancer

19

1.15×10⁺⁰¹

4.98×10⁻⁰³

chronic obstructive pulmonary disease (COPD)

20

1.20×10⁺⁰¹

2.46×10⁻⁰³

coronary artery disease (CAD)

21

8.44

4.04×10⁻⁰³

extent of infection

22

4.45

9.73×10⁻⁰³

chronic kidney disease (CKD) with dialysis

23

8.18

−9.64×10⁻⁰⁴

congestive heart failure (CHF)

24

1.26

−1.46×10⁻⁰³

pulmonary embolism (PE)

25

6.22

−5.16×10⁻⁰³

atrial fibrillation