Table 1 Search strategy for guideline-based performance measures used by Kötter et al. 2012¹⁴

1. quality indicator$.tw

12. guideline$.tw

31. develop$.tw

2. quality criterion$.tw

13. practice guideline/

32. and\11,30,31

3. quality measure$.tw

14. practice guideline$.tw

4. performance indicator$.tw

15. clinical practice guideline$.tw

5. performance measure$.tw

16. recommendation$.tw

6. outcome measure$.tw

17. guidance$.tw

7. outcome indicator$.tw

18. directive$.tw

8. audit.tw

19. health service$ research.tw

9. outcome assessment.tw

20. evidence based medicine.tw

10. process assessment.tw

21. quality assessment.tw

11. or\1-10

22. quality assurance.tw

23. consensus technique.tw

24. delphi technique.tw

25. RAND.tw

26. UCLA.tw

27. RAM.tw

28. RAND appropriateness method.tw

29. consensus development/

30. or\12–29