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Table 9 SOFA score features ranking – biostatistics analysis

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

position

abs(t) rank

abs(t)

p-value rank

p-value

abs(PCC) rank

abs(PCC)

1

age

81.88

age

1.35×10−259

Glasgow coma scale

0.69

2

mean arterial pressure

81.26

mean arterial pressure

7.53×10−248

mechanical vent

0.43

3

platelets

35.57

Glasgow coma scale

2.01×10−155

creatinine

0.41

4

Glasgow coma scale

34.78

platelets

1.86×10−120

respiration (FiO2)

0.37

5

respiration (PaO2)

32.38

respiration (PaO2)

1.63×10−109

urine output 24 hours

0.37

6

respiration (FiO2)

25.01

respiration (FiO2)

1.06×10−81

initial procalcitonin (PCT)

0.36

7

urine output 24 hours

21.21

bilirubin

7.87×10−71

bilirubin

0.31

8

bilirubin

21.19

urine output 24 hours

3.16×10−66

platelets

0.27

9

hypertension (HTN)

19.69

hypertension (HTN)

7.01×10−60

mean arterial pressure

0.25

10

sex

19.34

sex

1.97×10−58

age

0.14

11

diabetes mellitus (DM)

18.55

diabetes mellitus (DM)

4.70×10−55

sex

0.12

12

COPD

18.18

COPD

1.90×10−53

anatomical site of infection

0.10

13

mechanical vent

18.02

mechanical vent

1.04×10−52

CKD with dialysis

0.10

14

CAD

17.79

CAD

9.87×10−52

hypertension (HTN)

0.09

15

extent of infection

17.67

CHF

3.48×10−51

CAD

0.08

16

CHF

17.67

extent of infection

3.53×10−51

diabetes mellitus (DM)

0.05

17

cancer

17.66

cancer

4.01×10−51

CKD without dialysis

0.04

18

CKD without dialysis

17.38

CKD without dialysis

6.48×10−50

respiration (PaO2)

0.03

19

atrial fibrillation

17.36

atrial fibrillation

8.55×10−50

COPD

0.03

20

CKD with dialysis

16.92

CKD with dialysis

8.00×10−48

extent of infection

0.02

21

pulmonary embolism (PE)

16.78

pulmonary embolism (PE)

3.12×10−47

cancer

0.01

22

creatinine

14.79

creatinine

4.08×10−42

pulmonary embolism (PE)

0.01

23

microorganism

14.29

microorganism

3.56×10−38

microorganism

0.01

24

anatomical site of infection

9.65

anatomical site of infection

1.01×10−20

CHF

0.00

25

initial procalcitonin (PCT)

5.30

initial procalcitonin (PCT)

2.03×10−07

atrial fibrillation

0.00

  1. PCC: Pearson correlation coefficient [40]. t-test: absolute value of Student’s t-test [41]. p-value: probability value of Student’s t-test. We computed each test between the target feature (SOFA score) and each feature, and then ranked the outcomes