| Study design(s) targeted by the tool | Randomized controlled trials (RCT)randomized-controlled-trial-rct |
|---|---|
| Additional details on designs | NA |
| Tool area | Health; Pain |
| Link to the tool | Access the paper reporting the OPVS Scale |
Details | |
| Website | |
| Primary publication | Smith L, Oldman A, McQuay H, Moore R. Teasing apart quality and validity in systematic reviews: an example from acupuncture trials in chronic neck and back pain. Pain. 2000;86(1-2):119-32. doi:10.1016/s0304-3959(00)00234-7. |
| DOI | 10.1016/s0304-3959(00)00234-7 |
| 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 | 08/06/2026 |
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 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 |
