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From | "Roger B. Newson" <r.newson@imperial.ac.uk> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Meta-Analysis of Hazard Ratios and Confidence Intervals |
Date | Wed, 19 Sep 2012 10:08:11 +0100 |
An alternative possibility might be to do meta-analyses using the SSC packages -eclplot-, -parmhet-, and -parmest- (which has a -metaparm- module for this purpose). These offer the user the additional choice of a nonrandomly-variable-effect meta-analysis (as well as the fixed-effect and randomly-variable-effect options). However, -metan- can provide a more instant solution, if Belinda is in a hurry.
Best wishes Roger Roger B Newson BSc MSc DPhil Lecturer in Medical Statistics Respiratory Epidemiology and Public Health Group National Heart and Lung Institute Imperial College London Royal Brompton Campus Room 33, Emmanuel Kaye Building 1B Manresa Road London SW3 6LR UNITED KINGDOM Tel: +44 (0)20 7352 8121 ext 3381 Fax: +44 (0)20 7351 8322 Email: r.newson@imperial.ac.uk Web page: http://www.imperial.ac.uk/nhli/r.newson/ Departmental Web page: http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/ Opinions expressed are those of the author, not of the institution. On 19/09/2012 05:19, Belinda Butcher wrote:
I had read this, but am unsure what to do with the confidence intervals, all the examples I have seen calculate the logodds and selogodds basically from the 2x2 table (which I don't have)? Suggestions? Belinda Butcher BSc(Hons) MBiostat PhD Director - Biostatistics & Medical Writing WriteSource Medical Pty Ltd PO Box 1521 Lane Cove NSW 1595 M: 0418 286 014 E: bbutcher@writesourcemedical.com.au On 19/09/2012, at 2:12 PM, JVerkuilen (Gmail) wrote:On Tue, Sep 18, 2012 at 8:03 PM, Belinda Butcher <bbutcher@writesourcemedical.com.au> wrote:Hi, I am conducting a meta-analysis of some cancer data using the hazard ratio for overall survival and the upper and lower 95% confidence intervals.Usually meta-analyses of a ratio estimator like a hazard ratio, relative risk or odds ratio are better conducted on the log scale. -- JVVerkuilen, PhD jvverkuilen@gmail.com "Out beyond ideas of wrong-doing and right-doing there is a field. I'll meet you there. When the soul lies down in that grass the world is too full to talk about." ---Rumi * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/
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