Table 3.

Eligibility criteria and selected article types

Eligibility	Outcomes QI Effectiveness or process outcomes e.g., goals achieved QI economic outcomes e.g., savings Clinical outcomes e.g., symptoms Organisational outcomes e.g., development Short-term, intermediate, long-term, and impacts	ROI concepts Cost-effectiveness Cost–benefit Value Benefits QI outcomes/consequences	Level of analysis Organisation Type of literature Empirical and non-empirical reports Conceptual and Grey literature
Included	Large scale complexity, depth, and breadth At least one QI method used At least three organisational outcomes At least two organisational departments engaged
Excluded	Articles where one department was engaged, two or less organisational outcomes were reported, and pre-prints