Statistics in Medicine: Calculating confidence intervals for relative risks (odds ratios) and standardised ratios and ratesBMJ 1988; 296 doi: http://dx.doi.org/10.1136/bmj.296.6632.1313 (Published 07 May 1988) Cite this as: BMJ 1988;296:1313
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