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Table 1 Clinical Variables Summary of Meta-analysis

From: Using machine learning of clinical data to diagnose COVID-19: a systematic review and meta-analysis

Continuous Variable

Clinical Variable

# of Data

mean

median

variance

Age

389

38.91306

39

21.85783

NumberOfFamilyMembersInfected

54

3.37037

2

2.6338

neutrophil

103

6.854078

3.31

12.62838

SerumLevelsOfWhiteBloodCell

130

7.031223

5.965

4.250785

lymphocytes

135

2.022841

0.98

4.207139

Plateletes

50

220.32

185.5

146.3334

CReactiveProteinLevels

139

31.18187

15

40.4953

Eosinophils

8

0.06125

0.01

0.070078

RedBloodCells

4

4.225

4.205

0.189011

Hemoglobin

24

45.5

14.5

49.99953

Procalcitonin

33

2.586394

0.07

12.54482

DurationOfIllness

88

14.06818

12

8.970653

DaysToDeath

3

12.66667

12

6.548961

DaysBeforeSymptomsAppear

38

7.368421

6

5.142297

NumberOfAffectedLobes

24

1.75

2

1.163687

TimeBetweenAdmissionAndDiagnosis

47

5.893617

6

4.116568

bodyTemperature

67

37.6209

37.5

0.972999

Hematocrit

7

0.320286

0.355

0.078175

ActivatedPartialThromboplastinTime

9

33.18889

33.4

3.642784

fibrinogen

9

3.685556

3.91

0.752184

urea

19

3.123158

3

0.863884

Discrete Variable

 Variables

 

Number

 

Percentage

Sex

 M

 

194

 

49.4898

 F

 

198

 

50.5102

Community Transmission

 Yes

 

93

 

37.5

 No

 

46

 

18.54839

 No/Wuhan

 

109

 

43.95161

Neutrophil

 low

 

15

 

11.81102

 normal

 

83

 

65.35433

 high

 

29

 

22.83465

Serum Levels Of White Blood Cell

 low

 

55

 

32.35294

 normal

 

94

 

55.29412

 high

 

21

 

12.35294

Lymphocytes

 low

 

86

 

48.86364

 normal

 

73

 

41.47727

 high

 

17

 

9.659091

C Reactive Protein (CRP) Levels

 normal

 

60

 

37.97468

 high

 

98

 

62.02532

CT Scan Results

 pos

 

124

 

89.20863

 neg

 

15

 

10.79137

RT-PCR Results

 pos

 

100

 

96.15385

 neg

 

4

 

3.846154

X-ray Result

 pos

 

35

 

74.46809

 neg

 

12

 

25.53191

GGO

 Yes

 

92

 

96.84211

 No

 

3

 

3.157895

Diarrhea

 Yes

 

30

 

45.45455

 No

 

36

 

54.54545

Fever

 Yes

 

261

 

91.25874

 No

 

25

 

8.741259

Coughing

 Yes

 

164

 

82.82828

 No

 

34

 

17.17172

Shortness Of Breath

 Yes

 

45

 

60

 No

 

30

 

40

Sore Throat

 Yes

 

37

 

60.65574

 No

 

24

 

39.34426

Nausea/Vomiting

 Yes

 

18

 

52.94118

 No

 

16

 

47.05882

Pregnant

 Yes

 

43

 

66.15385

 No

 

22

 

33.84615

Fatigue

 Yes

 

8

 

61.53846

 No

 

5

 

38.46154