Fate of meta-analyses: The case of Helicobacter pylori

Table 4 Implementation of meta-analyses in international consensus guidelines

Year	Consensus meeting	No. of ref.	No. of meta-analyses/systematic reviews cited
2007	Maastricht III consensus	99	10 (9.9%)
2007	Cervia II Working Group guideline	72	5 (6.5%)
2007	American College of Gastroenterology guideline	175	23 (13.1%)
2009	Second Asia-Pacific Consensus Guidelines	118	12 (10.1%)
2012	Maastricht-Florence 4 guideline	325	36 (11.0%)
2013	3rd Brazilian Consensus	216	25 (11.3%)
2013	Revised Korean consensus	208	19 (9.3%)
	Total	1223	130 (10.6%)