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Re: st: RE: Combining Harard Ratios using METAN
From
Claire Rushton <[email protected]>
To
[email protected]
Subject
Re: st: RE: Combining Harard Ratios using METAN
Date
Wed, 26 Mar 2014 13:40:16 +0000
Thank you, that is really helpful
Claire
On 26 March 2014 13:25, Joe Canner <[email protected]> wrote:
> Claire,
>
> Although it is not well documented, you can do meta-analysis of hazard ratios in -metan- as you would with odds ratios or relative risks, but since HRs are not explicitly allowed you need to log-transform the HR and 95% CI first and then use the -eform- option:
>
> gen ln_HR=ln(HR)
> gen ln_LL=ln(LL)
> gen ln_UL=ln(UL)
>
> metan ln_HR ln_LL ln_UL, eform effect("HR") null(1) ....
>
> As always, you will also have to decide whether to use a fixed effects or random effects model.
>
> Regards,
> Joe Canner
> Johns Hopkins University School of Medicine
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of Claire Rushton
> Sent: Wednesday, March 26, 2014 8:57 AM
> To: [email protected]
> Subject: st: Combining Harard Ratios using METAN
>
> I will soon be performing a meta analysis of a number of studies reporting
> HR and their confidence intervals. I cannot find the command in METAN help.
> Could anyone help me with this please?
>
> Thank you,
> Claire
> --
> Claire A Rushton
> Lecturer in Nursing and NIHR Doctoral Research Fellow
> Health Services Research Unit
> Innovation Centre 1
> Keele University
> Staffordshire
> ST5 5NB
> Telephone: 01782 733768
> Email: [email protected]
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--
Claire A Rushton
Lecturer in Nursing and NIHR Doctoral Research Fellow
Health Services Research Unit
Innovation Centre 1
Keele University
Staffordshire
ST5 5NB
Telephone: 01782 733768
Email: [email protected]
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/faqs/resources/statalist-faq/
* http://www.ats.ucla.edu/stat/stata/