>
> Dear R friens,
>
> I will start a project this month wiht a partner which is disigned as a
> quasi-experiment. We are interrested in estimate risk raios and rate ratios,
> possibly survival analysis. Everything is registered at medical charts form
> the last 22 yaers. So everythig is retorspective. However, due to a
> efficiency matters, we dicided to select the non-exposed matching to the
> exposed. So for every paciente that took this paticular medicine, we intend
> ot match one that did not take, and start the follow-up in the same year and
> has no more than 10 years older than the exposed.
>
> I have looked up for more recent things than those I have in Klienbaum and
> Rothman but it seems that the very good old friend ajusted MH for the pair
> is the recomended.
>
> Does anyone have other sugestions? Does any knows a package or functions to
> run paired risk or rate analysis?
>
Best regards
>
> --
> Abraço forte e que a força esteja com você,
> Pedro Emmanuel
>
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