More than high standards neededBMJ 2007; 335 doi: https://doi.org/10.1136/bmj.39381.434919.BE (Published 01 November 2007) Cite this as: BMJ 2007;335:900
- Guy Lloyd, consultant cardiologist
- Eastbourne District General Hospital, Eastbourne BN21 2UD
Von Elm et al provide a welcome set of criteria to judge prospective observational studies.1 What they do not include is the government health warning that should accompany such publications. The accompanying editorial highlights the usefulness of these studies to examine rare diseases,2 but such studies are often used for common illnesses like cardiovascular disease and cancer. End points are …
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial