From: Methodology and reporting quality of reporting guidelines: systematic review
Items | Items | Number (%) |
---|---|---|
Study type(s) to be reporteda | Study design not specified | 20 (33) |
Randomized controlled trials | 9 (15) | |
Laboratory/preclinical studies | 5 (8) | |
Prospective clinical trials | 2 (3) | |
Observational studyb | 11 (18) | |
Economic evaluation | 3 (5) | |
Systematic review/meta-analysis/HTAc | 5 (8) | |
Qualitative research | 2 (3) | |
Cross-sectional studies | 2 (3) | |
Other specific design or types specified (diagnostic accuracy studies, quality improvement research, Realist syntheses, clinical practice guideline, Systematic review/meta-analysis/HTA) | 12 (20) | |
Methods for initial itemsd | Literature review | 25 (42) |
Refer to existing reporting guidelines | 20 (33) | |
Opinions of experts or consensus of experts | 16 (27) | |
Consensus methodse | ||
Formal | Delphi | 13 (22) |
Nominal group technique | 3 (5) | |
Consensus meeting | 21 (35) | |
Informal | Questionnaire grade | 1 (2) |
Circulating several versions of the statement within the group of developers and an external circle of potential users. | 2 (3) | |
Web-based survey rating the importance of each of the checklist items | 1 (2) | |
Terminated after fixed round(s) of Delphi | 1 | 2 (3) |
2 | 5 (8) | |
3 | 4 (7) | |
Stakeholders in the consensus process | Content experts | 25 (42) |
Epidemiologists | 7 (12) | |
Journal editors | 14 (23) | |
Methodologists | 19 (32) | |
Othersf | 14 (23) | |
Funding | Yes | 36 (60) |
No | 4 (7) | |
Unclear | 20 (33) | |
COI | Yes | 14 (23) |
No | 28 (47) | |
Unclear | 18 (30) |