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Table 11 Survival 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

91.25

age

1.17×10−252

Glasgow coma scale

0.18

2

mean arterial pressure

87.57

mean arterial pressure

2.51×10−246

mechanical vent

0.17

3

Glasgow coma scale

79.70

Glasgow coma scale

4.76×10−236

bilirubin

0.17

4

pulmonary embolism (PE)

58.78

CKD with dialysis

1.24×10−225

platelets

0.16

5

CKD with dialysis

52.39

pulmonary embolism (PE)

4.52×10−217

pulmonary embolism (PE)

0.14

6

atrial fibrillation

39.53

atrial fibrillation

3.38×10−183

age

0.13

7

CKD without dialysis

38.98

CKD without dialysis

3.88×10−180

urine output 24 hours

0.13

8

platelets

36.25

cancer

1.88×10−152

sex

0.10

9

cancer

34.26

CHF

3.23×10−151

anatomical site of infection

0.09

10

CHF

34.05

extent of infection

4.91×10−149

CKD without dialysis

0.08

11

respiration (PaO2)

33.98

CAD

1.06×10−140

respiration (FiO2)

0.08

12

extent of infection

33.71

mechanical vent

2.00×10−124

cancer

0.07

13

CAD

32.31

platelets

1.13×10−122

initial procalcitonin (PCT)

0.07

14

mechanical vent

29.62

respiration (PaO2)

8.05×10−115

respiration (PaO2)

0.06

15

COPD

27.85

COPD

6.59×10−114

CHF

0.05

16

respiration (FiO2)

27.76

diabetes mellitus (DM)

7.16×10−95

hypertension (HTN)

0.05

17

microorganism

24.91

respiration (FiO2)

8.85×10−92

creatinine

0.05

18

diabetes mellitus (DM)

24.58

microorganism

7.79×10−86

mean arterial pressure

0.03

19

sex

19.34

sex

5.93×10−66

COPD

0.03

20

hypertension (HTN)

17.50

hypertension (HTN)

2.18×10−56

microorganism

0.03

21

anatomical site of infection

14.06

anatomical site of infection

2.44×10−36

atrial fibrillation

0.01

22

creatinine

10.55

creatinine

5.13×10−23

extent of infection

0.01

23

urine output 24 hours

9.04

urine output 24 hours

1.65×10−18

CAD

0.01

24

initial procalcitonin (PCT)

7.86

initial procalcitonin (PCT)

4.37×10−14

diabetes mellitus (DM)

0.01

25

bilirubin

0.02

bilirubin

9.83×10−01

CKD with dialysis

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 (survival) and each feature, and then ranked the outcomes