Library of risk of bias tools

Murad Tool

Study design(s) targeted by the tool Case reportscase-reports Case seriescase-series
Additional details on designs NA
Tool area Health
Link to the tool Access the paper reporting the Murad tool

Details

Website
Primary publication Murad M, Sultan S, Haffar S, Bazerbachi F. Methodological quality and synthesis of case series and case reports. BMJ Evid Based Med. 2018;23(2):60-63.
DOI 10.1136/bmjebm-2017-110853
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 10/06/2026

Related tools and Publications

Previous versions

None

Updated versions

None

Related tools

None

Evaluations

Paper reporting inter-rater agreement.

Paper reporting concordance between human and GPT-4 in applying the Murad 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 Yes
Offers a method to reach either a domain specific or overall assessment of risk of bias No
Tool developed for use across topic areas (i.e. not developed for specific clinical area such as physiotherapy or dentistry) Yes
Avoids recommending use of summary numerical quality scores Yes