Associations between irritable bowel syndrome and non-alcoholic fatty liver disease: A systematic review

Table 1 Search terms used

Database
PubMed	(Irritable bowel syndrome[Mesh] OR "Irritable bowel syndrome"[tiab] OR "irritable colon*"[tiab] OR IBS[tiab]) AND (Fatty Liver[Mesh] OR (fatty[tiab] AND (liver*[tiab] OR hepat*[tiab]) OR steatohepat*[tiab] OR NAFL*[tiab] OR NASH*[tiab]))
EMBASE	('irritable colon'/exp OR 'irritable bowel syndrome':ab,ti OR ‘irritable colon’:ab,ti OR ‘IBS’:ab,ti) AND (‘Fatty Liver’/exp OR (fatty:ab,ti AND (liver*:ab,ti OR hepat*:ab,ti) OR steatohepat*:ab,ti OR NAFL*:ab,ti OR NASH*:ab,ti))
CENTRAL	#1 MeSH descriptor: [Irritable Bowel Syndrome] explode all trees
	#2 ('irritable bowel syndrome' OR ‘irritable colon’ OR ‘IBS’):ti,ab,kw
	#3 MeSH descriptor: [Fatty Liver] explode all trees
	#4 fatty:ab,ti AND (liver*:ab,ti OR hepat*:ab,ti) OR steatohepat*:ab,ti OR NAFL*:ab,ti OR NASH*:ab,ti
	#5 (#1 or #2) and (#3 or #4)

CENTRAL: Cochrane Central Register of Controlled Trials.