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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]