Strategies to assess the validity of recommendations: a study protocol

Table 3 Restrictive search strategy

Stages	What	How	Who
Stage 1	Identification clinical questions	Review original CPG	Guideline methodologist from research group
Stage 2	Clinical questions eligibility	Include clinical questions with ≥ two explicitly PICO components	Guideline methodologist from research group
Stage 3	ReSe	Stage 3a Development ReSe serches	Guideline methodologist from research group
		Stage 3b Evaluation ReSe serches
		Stage 3c Refinement ReSe serches
		Stage 3d Define the filters that will be used: 1) study design; 2) publication date
Stage 4	References database by clinical questions	Reference management software	Guideline methodologist from research group

Abbreviations: CPG Clinical practice guideline, PICO population, intervention, comparator and outcome, ReSe restrictive search.

ISSN: 1748-5908