Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Editorial
. 2025 Jan 18;11(4):241-242.
doi: 10.1093/jhps/hnae047. eCollection 2024 Dec.

Levels of evidence

Richard E Field  1
Affiliations
Editorial

Levels of evidence

Richard E Field. J Hip Preserv Surg. .
No abstract available

PubMed Disclaimer

Conflict of interest statement

None declared.

References

    1. Canadian Task Force on the Periodic Health Examination . Task Force Report: The periodic health examination. (PDF). Can Med Assoc J. 121 (9):1193–1254. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1704686/pdf/canmedaj01457-0... (3 December 2024, date last accessed). - PMC - PubMed
    1. Guyatt GH, Sackett DL, Sinclair JC et al. Users’ guides to the medical literature. IX. A method for grading health care recommendations. Evidence-based medicine working group. JAMA 1995;274:1800–04. doi: 10.1001/jama.1995.03530220066035 - DOI - PubMed
    1. Greenhalgh T. How to read a paper. Getting your bearings (deciding what the paper is about). BMJ 1997;315:243–46. doi: 10.1136/bmj.315.7102.243 - DOI - PMC - PubMed
    1. Blunt CJ. Hierarchies of Evidence in Evidence-Based Medicine. PhD thesis, London School of Economics and Political Science, 2015. http://etheses.lse.ac.uk/id/eprint/3284 (2 December 2024, date last accessed).
    1. Blunt CJ. Hierarchies of Evidence. https://cjblunt.com/hierarchies-evidence/ (2 December 2024, date last accessed).

Publication types

LinkOut - more resources