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Table 1 Transcriptomic studies

From: Diagnostic ‘omics’ for active tuberculosis

Study

Sample

Dataset GSE number

Country

Classes

Number

HIV status

Case definition

Independent test setc

Validation setd

Evaluation of accuracy

Signature size

Prior TB treatmenta

TB location

Microbiologically provenb

TST

IGRA

Maertzdorf et al., 2015 [62]

WB

74092

India

TB

113

0

P

Y

  

Y

Y

Y

TB vs. LTB/HV

4

LTBI

56

   

+/–

+/–

HC

20

   

 

Walter et al., 2015 [61]

WB

73408

USA

TB

109

 

P

Y

  

Y

Y

Y

 

LTBI

    

+

Pneumonia

    

Anderson et al., 2014 [60]

WB

39941

South Africa, Malawi, Kenya

CCTB

95

 

P, EP

Y

  

Y

Y

Y

TB vs. LTBI 42

TB vs. OD 51

CNTB

27

 

P, EP

U

  

LTBI

68

   

+

+

OD

140

    

CCTB

51

+

 

P, EP

Y

  

CNTB

17

+

 

P, EP

U

  

LTBI

0

+

   

+

+

OD

93

+

    

Cai et al., 2014 [58]

PBMC

54992

China

TB

173

 

0

P

Y

  

Y

N

Y

TB vs. HV 1, TB vs. LTBI 1

LTBI

148

     

+

HC

51

     

Dawany et al., 2014 [63]

PBMC

50834

South Africa

TB

21

+

Y

P

Y

  

N

Y

Y

HIV vs. HIV/TB 251

HC

22

+

     

Kaforou et al., 2013 [59]

WB

37250

South Africa, Malawi

TB

97

<1d

P, EP

Y

  

Y

Y

Y

TB vs. LTBI 27, TB vs. OD 44

LTBI

83

   

+

+

OD

83

    

+/–

TB

97

+

<1d

P, EP

Y

  

LTBI

84

+

   

+

+

OD

92

+

    

+/–

Bloom et al., 2013 [48]

WB

42834

UK & France

TB

35

0

P

Y

  

Y

Y

Y

TB vs. OD 144

Sarcoid

61

     

Pneumonia

14

     

Lung cancer

16

     

HC

113

    

Verhagen et al., 2013 [98]

WB

41055

Venezuela

TB

9

0

P

 

+

+

N

Y

Y

TB vs. LTBI 5

LTBI

29

   

+

+

HC

25

   

Pneumonia

18

     

Cliff et al., 2012 [54]

WB

3134836238

South Africa

TB

27

0, 1/4/26 w

P

Y

  

Y

Y

Y

Treatment 62

Maertzdorf et al., 2012 [51]

WB

34608

Germany

TB

8

0

P

U

  

N

N

Y

 

LTBI

4

    

+

HC

14

    

Sarcoid

18

     

Ottenhof et al., 2012 [52]

PBMC

56153

Indonesia

TB

23

0, 8w, 28w

P

Y

  

N

N

N

 

HC

23

      

Bloom et al., 2012 [55]

WB

40553

South Africa, UK

TB

37

0, 2w, 2 m, 6 m, 12 m

P

Y

  

Y

Y

N

TB vs. LTBI 664

treatment 320

LTBI

38

    

+

Lesho et al., 2011 [99]

PBMC

N/A

USA

TB

5

 

P

Y

+

 

N

N

Y

TB vs. LTBI vs. BCG vacc vs. HC 127

LTBI

6

   

+

 

BCG vacc

5

     

HC

7

   

 

Maertzdorf et al., 2011 [56]

WB

25534

South Africa

TB

33

0

P

Y

  

N

N

Y

TB vs. LTBI 5

LTBI

34

     

HC

9

     

Maertzdorf et al., 2011 [50]

WB

28623

The Gambia

TB

46

0

P

Y

  

N

N

N

 

LTBI

25

   

+

 

HC

37

   

0

 

Lu et al., 2011 [100]

PBMC

27984

China

TB

46

<4w

P

Y

  

Y

Y

Y

TB vs. LTBI 3

LTBI

59

    

+

HC

26

    

Berry et al., 2010 [57]

WB

19491194441944319442194391943522098

UK, South Africa

PTB

54

 

0

P

Y

  

Y

Y

Y

TB vs. health 393

TB vs. OD 86

LTBI

69

    

+

+

HC

24

    

OD

96

      

Stern et al., 2009 [53]

PBMC

N/A

Colombia

TB

1

  

P

Y

+

 

N

N

N

 

LTBI

1

    

+

 

HC

1

    

 

Jacobsen et al., 2007 [101]

PBMC

6112

Germany

TB

37

Y

P, EP

Y

+

 

N

Y

N

TB vs. LTBI vs. HC 3

LTBI

22

    

+

 

HC

15

    

 

Mistry et al., 2007 [47]

WB

N/A

South Africa

TB

10

0

Y

   

N

N

Y

TB vs. cured vs. LTBI vs. recurrent 9

Cured TB

10

     

LTBI

10

   

+

 

Rec TB

10

     
  1. WB Whole blood, PBMC Peripheral blood mononuclear cells, TB Active tuberculosis, LTBI Latent TB infection, HC Healthy controls, OD Other diseases, CCTB Culture-confirmed TB, CNTB Culture-negative TB, EP Extrapulmonary, P Pulmonary, Y Yes, N No
  2. aNumber of days (d), weeks (w) or months (m) on treatment at time of sampling
  3. bU if unclear whether all TB cases were microbiologically confirmed, e.g. if diagnosis was based on Mtb culture or chest X-ray or TB symptoms, or if microbiologically proven and unproven TB cases were grouped together
  4. cNever involved in training the model
  5. dNew, independent set of samples