Library of risk of bias tools

CQS

Study design(s) targeted by the tool Randomized controlled trials (RCT)randomized-controlled-trial-rct
Additional details on designs NA
Tool area Health; Restorative dentistry
Link to the tool Get the CQS tool

Details

Website
Primary publication Mickenautsch, S., Miletić, I., Rupf, S. et al. The Composite Quality Score (CQS) as a trial appraisal tool: inter-rater reliability and rating time. Clin Oral Invest 25, 6015–6023 (2021).
DOI https://doi.org/10.1007/s00784-021-04099-w
Guidance document
Training

None known – please contact us if you are aware of any training that should be listed here.

Language English
Translations

None known – please contact us if you are aware of any translations that should be listed here.

Record last updated 05/06/2026

Related tools and Publications

Previous versions

None

Updated versions

CQS-2(B)

Related tools

None

Evaluations

Inter-rater reliability and rating time available in paper reporting the tool.

Other publications

None known – please contact us if you are aware of any publications that should be listed here.

Key Criteria

Focuses on risk of bias, or makes a distinction between items that assess risk of bias and other aspects of study quality No
Offers a method to reach either a domain specific or overall assessment of risk of bias Yes
Tool developed for use across topic areas (i.e. not developed for specific clinical area such as physiotherapy or dentistry) No
Avoids recommending use of summary numerical quality scores No