Skip to main content

Table 3 Methodological quality of systematic reviews and randomised trials primary studies included in this study.

From: Increasing the demand for childhood vaccination in developing countries: a systematic review

Systematic review AMSTAR Quality Score (Percent of maximum) Primary study SIGN 50* Percent quality
Pegurri et al 2004 [3] 1. No 18% Brugha 1996 [22] 6/10 60%
  2. No     
  3. Yes     
  4. No     
  5. No     
  6. No     
  7. Yes     
  8. No     
  9. Can't answer     
  10. No     
  11. No     
Batt 2004 [14] 1. No 27% Andersson 2008 [6] 6/10 60%
  2. No     
  3. Yes     
  4. Yes     
  5. No     
  6. No     
  7. Yes     
  8. Can't answer     
  9. Can't answer     
  10. No     
  11. No     
Haines 2007 [15] 1. No 18%    
  2. No     
  3. Yes     
  4. yes     
  5. No     
  6. No     
  7. No     
  8. No     
  9. No     
  10. No     
  11. No     
Ryman 2008 [5] 1. No 36%    
  2. No     
  3. Yes     
  4. Yes     
  5. No     
  6. Yes     
  7. Yes     
  8. No     
  9. Can't answer     
  10. No     
  11. No     
  1. * Scores based on the first 10 items (internal validity) of the SIGN 50 Instrument http://www.sign.ac.uk/guidelines/fulltext/50/checklist2.html.