Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: When is 'no trimming' performed using metatrim
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: When is 'no trimming' performed using metatrim
Date
Sun, 24 Feb 2013 14:12:48 +0000
Please explain where user-written commands you refer to come from.
Nick
On Sun, Feb 24, 2013 at 1:58 PM, Setor Kunutsor <[email protected]> wrote:
> I have conducted a meta-analysis based on a total of 10 studies using a Random-effects model. There was substantial heterogeneity among contributing studies (I2>70%).
>
> A funnel plot revealed evidence of publication bias which was further confirmed by Egger’s regression symmetry test (P=0.03).
>
> I am using the trim-and-fill method to adjust for publication bias. I am aware this method performs poorly in the presence of substantial between study heterogeneity.
>
> On running the metatrim command, the output suggests that no trimming was performed.
>
> What does this mean? Does it mean there was no publication bias? How do I interpret the results?
*
* 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/