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Table 1 Baseline characteristics of included studies in the meta analysis

From: Diagnostic value of neutrophil CD64, procalcitonin, and interleukin-6 in sepsis: a meta-analysis

first author

publication time

country

study design

diagnostic criteria

clinical setting

biomarker

sample size

TP

FP

FN

TN

SEN

(%)

SPE

(%)

average age

test method

Anand [23]a

2015

India

PS

culture+

ICU

PCT

118

68

6

4

40

94.4

87

49.3

IF

     

IL-6

118

46

5

26

41

63.9

89

49.3

ECLI

Anand [23] b

2015

India

PS

clinical,culture-

ICU

PCT

136

83

13

7

33

92.2

72

52.1

IF

     

IL-6

136

42

12

48

34

47

73

52.1

ECLI

Bauer [26]

2016

America

PS

clinical

ICU

CD64

196

84

20

26

66

76.4

76.7

 

FCM

     

PCT

216

88

25

32

71

73.1

74.2

 

IF

Cardelli [27]

2008

Italy

PS

clinical,culture+

ICU

CD64

112

50

5

2

55

96

91.7

63

FCM

     

PCT

112

49

27

3

33

94

70

63

IF

Castelli [28]

2004

Italy

PS

clinical,culture+

ICU

PCT

49

21

2

13

13

61.7

86.7

 

IF

Cheval [29]

2000

France

PS

clinical

ICU

PCT

60

28

5

4

23

87.5

82.1

56.3

IF

Clec’h [25] a

2006

France

PS

clinical

SICU

PCT

67

28

9

3

27

91.7

74.2

63

IF

Clec’h [25] b

2006

France

PS

clinical

MICU

PCT

76

29

2

7

38

80.6

95

60.1

IF

Davis [30]

2006

America

RS

clinical,culture+

ED

CD64

100

33

18

5

44

86.8

71

 

FCM

Dimoula [31]

2014

Belgium

PS

clinical

ICU

CD64

468

92

47

11

318

89.3

87.1

58.7

FCM

Du [32]

2003

China

PS

clinical

ICU

PCT

51

16

8

4

23

80

74.2

64.7

IF

     

IL-6

51

17

8

3

23

85

74

64.7

EIA

Feng [33]

2012

China

PS

clinical

ICU

PCT

132

69

12

33

18

67.6

60

 

ELISA

Gaini [34]

2006

Denmark

PS

clinical

GW

PCT

93

56

9

18

10

75.7

52.6

63

IF

     

IL-6

93

60

4

14

15

81.1

78.9

63

ECLI

Gamez-Diaz [35]

2011

Colombia

PS

clinical

ED

CD64

610

266

73

138

133

65.8

65

 

Leuko64 kit

Gerrits [36]

2013

Netherla-nds

PS

clinical

ICU

CD64

44

25

1

0

18

100

94.7

71.8

Leuko64 kit

Gibot [37]

2012

France

PS

clinical

ICU

CD64

300

130

7

24

139

84.4

95.2

61.5

FCM

     

PCT

300

128

30

26

124

83.1

84.9

61.5

ECLI

Gros [38]

2012

France

PS

clinical, culture+

MICU

CD64

293

93

16

55

129

62.8

89

59.5

Leuko64 kit

Gupta [24] a

2018

India

PS

culture+

 

PCT

242

193

5

3

41

98.5

89.1

 

ECLI

Gupta [24] b

2018

India

PS

clinical,culture-

 

PCT

109

55

10

8

36

87.3

78.3

 

ECLI

Harbarth [39]

2001

Switzerla-nd

PS

clinical

ICU

PCT

78

58

4

2

14

97

78

 

ECLI

     

IL-6

78

40

5

20

13

67

72

 

ECLI

Hausfater [40]

2002

France

PS

clinical

ED

PCT

195

42

15

26

112

61.8

88.2

47

IFA

Hsu [41]

2011

China

PS

clinical, culture+

RICU

CD64

66

49

1

6

10

89

90.9

68.3

FCM

     

PCT

66

31

0

24

11

56.4

100

68.3

IF

Ivancević [16]

2008

Serbia

PS

clinical,culture+

ED

PCT

98

42

15

16

25

72.4

62.5

54.7

IF

Jämsä [42]

2015

Finland

PS

clinical

ICU

CD64

42

27

1

0

14

100

93

64.4

FCM

Jekarl [43]

2012

Korea

PS

clinical

ED

PCT

177

58

13

20

86

74.4

86.7

51.5

ECLI

     

IL-6

177

51

17

27

82

65.4

82.9

51.5

ECLI

Kofoed [44]

2007

Denmark

PS

clinical,culture+

ED/GW

PCT

151

77

23

19

32

80.2

58.2

 

ECLI

Latour-Pérez [45]

2010

Spain

PS

clinical

ICU

PCT

114

53

5

19

37

73.6

88.1

 

IF

Lewis [46]

2015

UK

RS

clinical, culture+

ICU

CD64

153

43

12

40

58

51.8

82.6

 

FCM

Mat-Nor [47]

2016

Malaysia

PS

clinical

ICU

PCT

239

93

20

71

55

57

73

47

IF

     

IL-6

239

82

26

82

49

50

65

47

EI

Meynaar [48]

2011

Netherlands

PS

clinical,culture+

ICU

PCT

76

31

9

1

35

97

80

 

IF

     

IL-6

76

29

26

3

18

91

41

 

ECLI

Mokart [18]

2005

France

PS

clinical

ICU

PCT

50

13

10

3

24

81

72

 

ECLI

     

IL-6

50

14

14

2

20

87.5

58.8

 

EIA

Muller [49]

2000

Switzerla-nd

PS

clinical

MICU

PCT

101

53

3

6

39

89.8

92.9

 

IFA

     

IL-6

101

38

9

21

33

64.4

78.6

 

EIA

Muzlovic [17]

2016

Slovenia

PS

clinical,culture+

ICU

CD64

32

25

1

0

6

100

85.7

61.8

Leuko64 kit

     

PCT

32

21

0

4

7

81.8

100

61.8

IF

Papadimitriou [50]

2015

Greece

PS

clinical,culture+

ICU

CD64

66

24

3

5

34

83

92

 

FCM

Righi [51]

2014

Italy

PS

clinical,culture+

ICU

CD64

93

55

1

6

31

90.1

96.9

58.7

FCM

Ruokonen [52]

2002

Switzerla-nd

PS

clinical,culture+

ICU

PCT

208

110

24

52

22

67.9

47.8

 

IF

Selberg [53]

2000

Germany

PS

clinical,culture+

ICU

PCT

33

19

5

3

6

86

54

47.9

IF

     

IL-6

33

19

5

3

6

86.4

54.5

47.9

EIA

Shokouhi [22] a

2017

Iran

PS

culture+

 

PCT

192

76

18

16

82

82.6

82

43.9

ELISA

Shokouhi [22] b

2017

Iran

PS

culture+

 

PCT

184

58

30

26

70

69.1

70

73.1

ELISA

Spoto [54]

2018

Italy

PS

clinical, culture+

ICU/GW

PCT

159

60

1

49

49

55

98

70.5

IF

Suprin [55]

2000

France

PS

clinical. culture+

ICU

PCT

95

49

6

26

14

65.3

70

57

IF

Talebi-Taher [20]

2014

Iran

PS

clinical

ED

PCT

100

44

14

6

36

88.8

71.1

76.3

IF

Tan [56]

2016

Malaysia

PS

clinical,culture+

ED

CD64

51

34

1

8

8

80.9

88.9

53.7

FCM

Tromp [57]

2002

Netherla-nds

PS

culture+

ED

PCT

342

49

120

6

167

89.1

58.2

 

IF

     

IL-6

342

34

79

21

208

61.8

72.5

 

EI

Tsalik [58]

2012

America

PS

clinical,culture+

ED

PCT

336

168

33

79

56

68

62.9

 

ECLI

     

IL-6

336

144

29

103

60

58.3

67.4

 

ECLI

Wang [59]

2013

China

RS

culture+

ICU

PCT

586

100

162

20

304

83.3

65.2

 

IF

Zhang [21]

2017

China

PS

clinical

ICU

PCT

70

36

6

14

14

72

70

92.6

ECLI

Huang [60]

2012

China

PS

clinical

ICU

PCT

72

40

3

9

20

82.3

84.9

66.2

ELISA

Lu [19]

2016

China

PS

clinical

ICU

CD64

420

111

35

19

255

85.1

87.8

 

FCM

Shao [61]

2014

China

PS

clinical

ICU/RD

CD64

87

63

4

6

14

91.3

77.8

54

FCM

Tang [62]

2017

China

PS

clinical

ICU

PCT

221

74

24

15

108

83.2

82.1

51.6

ECLI

   

clinical

ICU

IL-6

221

67

77

22

55

75.3

41.2

51.6

ECLI

Wang [63]

2017

China

PS

clinical

MD

CD64

44

23

1

6

14

79.5

93.3

47.1

FCM

Xing [64]

2008

China

PS

clinical

ED/GW/ICU

PCT

149

84

6

8

51

91.3

89.5

67.3

IF

Xu [65]

2009

China

PS

clinical

ICU/HD

CD64

68

57

1

1

9

98.3

90

 

FCM

Zhang [66]

2012

China

PS

clinical

 

CD64

55

30

5

5

15

85.7

75

50.6

FCM

Zhao [67]

2017

China

PS

clinical

ICU

PCT

104

67

5

11

21

85.9

81.8

57.9

IF

Zhao [68]

2016

China

RS

clinical

ED

PCT

393

255

10

52

76

83.2

88.1

42

ECLI

     

IL-6

393

249

14

58

72

81.1

83.7

42

EIA

Zhao [69]

2014

China

PS

clinical

ED

PCT

652

340

40

112

160

75.2

80

72

ELISA

     

IL-6

652

366

78

86

122

81

61

72

EIA

  1. PS Prospective Study, RS Retrospective Study, ICU intensive care unit, SICU Surgical intensive care unit, MICU Medical Intensive Care Unit, RICU Respiratory intensive care unit, ED Emergency Department, GW General ward, RD Respiratory Department, HD Hematology Department, IF Immunofluorescence, FCM flow cytometer, ECLI Electrochemical immunoluminescence, EIA enzyme imrrmnoassay, ELISA enzyme linked immunosorbent assay