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Table 2 quality assessment result of the studies included in the systematic review and meta-analysis

From: Delay in diagnosis of pulmonary tuberculosis in low-and middle-income settings: systematic review and meta-analysis

Study

Study Design

A

B

C

D

Total score

Alavi et al. 2015 [45]

CS

1

0

1

1

3

Asefa et al. 2014 [27]

CS

1

1

1

1

4

Aye et al. 2010 [46]

RC

1

0

1

1

4

Basnet et al. 2009 [47]

CS

1

1

1

1

4

Behera et al. 2013 [48]

CS

1

1

1

1

4

Belkina et al. 2014 [44]

CS

1

1

1

1

4

Biya et al. 2010 [49]

CS

1

0

1

1

3

Buregyeya et al. 2014 [50]

CS

1

0

1

1

3

Cambanis et al 2007 [51]

CS

1

1

1

1

4

Deponti et al. 2013 [52]

CS

1

0

1

1

3

Ekinci et al. 2014 [22]

CS

1

0

1

1

3

Ford et al. 2009 [21]

CS

1

0

1

1

3

Gebeyehu et al. 2014 [34]

CS

1

0

1

1

3

Gosoniu et al. 2008 [19]

CS

1

0

1

1

3

Gosoniu et al. 2008 [19]

CS

1

0

1

1

3

Gosoniu et al. 2008 [19]

CS

1

0

1

1

3

Huong et al. 2007 [30]

CS

1

1

1

1

4

Hussen et al. 2012 [35]

CS

1

0

1

1

3

Jurcev-Savicevic et al. 2013 [53]

CS

1

1

1

1

4

Kansiime et al. 2013 [54]

CS

1

1

1

1

4

Li et al. 2012 [55]

CS

1

1

1

1

4

Maamari et al. 2008 [25]

CS

1

1

1

1

4

Maciel et al. 2010 [56]

CS

1

1

1

1

4

Maior et al. 2012 [57]

CS

1

1

1

1

4

Makwakwa et al. 2014 [58]

CS

1

1

1

1

4

Mesfin et al. 2009 [29]

CS

1

1

1

1

4

Mfinanga et al. 2008 [59]

CS

1

1

1

1

4

Mohamed et al. 2013 [36]

CS

1

1

1

1

4

Nasehi et al. 2012 [60]

CS

1

1

1

1

4

Ngadaya et al. 2009 [61]

CS

1

1

1

1

4

Ngangro et al. 2012 [62]

CS

1

1

1

1

4

Pradhan et al. 2010 [43]

CS

1

1

1

1

4

Rabin et al. 2013 [63]

CS

1

1

1

1

4

Sabawoon et al. 2011 [31]

CS

1

0

1

1

3

Saifodine et al. 2013 [37]

CS

1

1

1

1

4

Sendagire et al. 2010 [64]

CS

1

1

1

1

4

Takarinda et al. 2015 [32]

CS

1

1

1

1

4

Tamhane et al. 2012 [23]

CS

1

0

1

1

3

Ukwaja et al. 2013 [24]

CS

1

1

1

1

4

Woith et al. 2014 [65]

CS

1

0

1

1

3

Yimer et al. 2015 [66]

CS

1

1

1

1

4

  1. CS; refers to cross-sectional and RC; refers to retrospective cohort. The columns: A. Study population defined; B. representativeness of participants and low non-response rate; C. Comparability of analysis groups and outcome ascertainment; D. analysis to control confounding
  2. Rating: (0 = No and 1 = Yes). This format was adapted from a similar review done in China [67]