Table 1.

Search strategies of systematic review

DATABASE	Search strategy
Pubmed	((((((“Quality Assurance, Health Care”[Mesh]) OR “Quality Improvement”[Mesh]) OR “Quality Indicators, Health Care”[Mesh]) OR “Health Care Quality, Access, and Evaluation”[Mesh])) AND “last 10 years”[PDat]) AND ((“Malnutrition”[Mesh] OR “nutritional care” OR “weight loss”) AND “last 10 years”[PDat]) AND ((“Nursing Homes”[Mesh] OR “Long-Term Care”[Mesh]) AND “last 10 years”[PDat])
Embase	quality OR indicator* OR assurance OR ‘health care’/exp. AND (‘malnutrition’/exp. OR ‘nutritional care’ OR ‘weight loss’/exp) AND ‘nursing home*
Scopus	(((quality OR indicator* OR assurance OR “health care”) AND (malnutrition OR “nutritional care” OR “weight loss”) AND (nursing home*)))
Web of Science	(((quality OR indicator* OR assurance OR “health care”) AND (malnutrition OR “nutritional care” OR “weight loss”) AND (nursing home*)))