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Aw: st: RE: trends (p-values) and annual percentage changes of directly standardized rates
From
"Anita Kiauka" <[email protected]>
To
[email protected]
Subject
Aw: st: RE: trends (p-values) and annual percentage changes of directly standardized rates
Date
Wed, 27 Nov 2013 13:06:09 +0100 (CET)
Dear Lin,
thank you very much for your answer.
I know this is tool Unfortunately I'm supposed to do all the calculations in STATA. I know now how to do the trend-analyses for the APC in STATA. However, I have no idea how do implement the joinpoint analyses. But I will discuss again with the responsible people.
Thanks again.
Wish you a nice day.
Anita
> Gesendet: Montag, 25. November 2013 um 20:44 Uhr
> Von: "Song, Lin" <[email protected]>
> An: "'[email protected]'" <[email protected]>
> Betreff: st: RE: trends (p-values) and annual percentage changes of directly standardized rates
>
> Anita,
>
> Here is one tool you might be able to use.
>
> http://surveillance.cancer.gov/joinpoint/
>
> Lin
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of Anita Kiauka
> Sent: Sunday, November 24, 2013 7:13 AM
> To: [email protected]
> Subject: st: trends (p-values) and annual percentage changes of directly standardized rates
>
> Dear all,
>
> I�m struggling with a problem since several days also I think it is only complicated for me;-( I tried to find a solution on my own via Internet for days now. However, unfortunately I was not successful and therefore I hope someone of this great community can help me with advice.
>
> I need to calculate annual percentage changes (APCs) plus corresponding confidence intervals (CIs) and p-values for the trend of directly age-standardized rates (for female breast cancer).
>
> I calculated the age-standardized rates and CIs using the distrate command.
> I can also calculate APCs, CIs and p-values for the trend of APC using Poisson regression adjusting for age (using age-groups as categorical variable in the model). But this is not what I want. I can also calculate the APC and CIs for the directly standardized rates by using formulas of epidemiological textbooks. But then I have no p-value (which I need according to the task).
>
>
> Can someone help me? I�m happy about any advice.
>
> Thanks in advance
>
> Anita
>
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