| Study design(s) targeted by the tool | Randomized controlled trials (RCT)randomized-controlled-trial-rct Cohort studiescohort-study Cross-sectional studiescross-sectional-study Case-control studiescase-control-study Case seriescase-series Non-randomised studies of interventionsnrsi Natural experimentsnatural-experiments |
|---|---|
| Additional details on designs | Drug studies |
| Tool area | Health |
| Link to the tool | Cho Tool |
Details | |
| Website | |
| Primary publication | Cho MK, Bero LA. Instruments for Assessing the Quality of Drug Studies Published in the Medical Literature. JAMA 1994;272(2) |
| DOI | 10.1001/jama.1994.03520020027007 |
| Guidance document | |
| Training | None known – please contact us if you are aware of any evaluations that should be listed here. |
| Language | English |
| Translations | None known – please contact us if you are aware of any evaluations that should be listed here. |
| Record last updated | 24/05/2024 |
Related tools and Publications | |
| Previous versions | None |
| Updated versions | None |
| Related tools | None |
| Evaluations | None known – please contact us if you are aware of any evaluations that should be listed here. |
| Other publications | None known – please contact us if you are aware of any evaluations 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 development involving a range of stakeholders from different disciplines (e.g. methodologists, statisticians, clinicians) | Yes |
| Avoids recommending use of summary numerical quality scores | No |
