Table 1 Weight of Evidence Awarded to Each Study
Studies | Weight of Evidence A | Weight of Evidence B | Weight of Evidence C | Weight of Evidence D |
|---|---|---|---|---|
Quality of Methodology: The accuracy, coherency and transparency of evidence. | Relevance of Methodology: The appropriateness of the methodology for answering the review question. | Relevance of evidence to the review question: The relevance of the focus of the evidence for answering the review question. | Overall weight of evidence: Overall assessment of the extent to which the study provides evidence to answer the review question | |
Akhtar et al. 2012 [22] | Low | Medium | Medium | Medium |
Ara et al. 2012 [23] | Low | High | Medium | Medium |
Begum et al. 2013 [21] | Low | Medium | Medium | Medium |
BurhanUddin et al. 2011 [20] | Medium | Medium | High | Medium |
Das et al. 2008 [45] | Medium | Medium | Low | Medium |
Faruque et al. 2008 [2] | Medium | Low | Medium | Medium |
Goudet et al. 2011 [25] | Medium | Medium | Low | Medium |
Goudet et al. 2011 [24] | Medium | Medium | Medium | Medium |
Hackett et al. 2015 [26] | High | Medium | Medium | Medium |
Hajeebhoy et al. 2013 [44] | Low | Medium | Low | Low |
Hanif et al. 2013 [19] | High | Medium | High | High |
Haque et al. 2016 [27] | Medium | Medium | Medium | Medium |
Helen Keller International 2009 [18] | High | Medium | Medium | Medium |
Kabir et al. 2012 [6] | High | High | High | High |
Kamruzzaman et al. 2009 [28] | Low | Medium | Medium | Medium |
Karim et al. 2012 [29] | Low | Low | Medium | Low |
Khan et al. 2011 [30] | Medium | Medium | Medium | Medium |
Khatoon et al. 2011 [17] | Medium | Medium | High | Medium |
Khatun et al. 2012 [46] | Medium | Medium | Medium | Medium |
Kimmons et al. 2005 [31] | High | Medium | Medium | Medium |
Mahejabin et al. 2013 [32] | Medium | Medium | Medium | Medium |
Mihrshahi et al. 2010 [41] | Medium | High | High | High |
Moore et al. 2006 [33] | Medium | Medium | Medium | Medium |
Islam et al. 2008 [34] | Medium | Medium | Low | Medium |
Nguyen et al. 2013 [16] | High | High | High | High |
Owais et al. 2016 [15] | High | High | High | High |
Paul et al. 2014 [35] | Medium | Medium | Medium | Medium |
Rahman et al. 2016 [36] | High | High | High | High |
Rasheed et al. 2011 [14] | Medium | High | High | High |
Rawat et al. 2014 [13] | High | Medium | Medium | Medium |
Saha et al. 2008 [37] | Medium | High | High | High |
Saleh et al. 2014 [40] | Medium | Medium | Medium | Medium |
Salim et al. 2012 [38] | Low | Medium | Medium | Medium |
Sarkar et al. 2003 [42] | Low | Medium | Medium | Medium |
Sultana et al. 2014 [39] | Medium | Medium | High | Medium |
Zongrone et al. 2012 [8] | Medium | Medium | Medium | Medium |