A systematic review of the prevalence of Morquio A syndrome: challenges for study reporting in rare diseases

Table 2 Quality of reporting of included studies

First author and publication year	Country	1. Was there an adequate description of study design?	2. Was there an adequate description of eligibility criteria?	3. Is the study population representative of the target population?	4. Is there an adequate description of outcomes?	5. Is there an adequate description of the study participants?	Overall assessment
Meikle 1999 [31]	Australia	Yes	Yes	Yes	No	No	Medium
Lowry 1990 [41]	Canada (BC)	No	Unclear	Yes	No	No	Low
Lowry 1971 [40]	Canada (BC)	No	Unclear	Unclear	No	No	Low
Applegarth 2000 [30]	Canada (BC)	Yes	Yes	Yes	Yes	No	Medium
Nelson 2003 [18]	Australia (W)	Yes	No	Yes	Yes	No	Medium
Gomez 2012 [39]	Colombia (B&C)	Yes	No	Yes	Yes	No	Medium
Malm 2008 [33]	Denmark	No	Unclear	Yes	Yes	No	Low
Baehner 2005 [32]	Germany	Yes	Yes	Yes	No	No	Medium
Poorthuis 1999 [37]	Netherlands	Yes	Unclear	Yes	Yes	No	Medium
Moammar 2010 [34]	Saudi Arabia	Yes	Unclear	No	Yes	No	Low
Lin 2009 [38]	Taiwan	Yes	Unclear	Yes	No	No	Low
Al-Jasmi 2010 [25]	UAE	Yes	Unclear	Yes	Yes	No	Medium
Nelson 1997 [17]	UK (NI)	Yes	Unclear	Yes	No	No	Low

Abbreviations: BC British Columbia, B&C Boyacá and Cundinamarca, NI Northern Ireland, UAE United Arab Emirates, UK United Kingdom.
Quality assessment was based on the checklist in Additional file 2.

ISSN: 1750-1172