کلمات کلیدی : پاورپوینت مطالعات کوهورت, پاورپوینت, مطالعات, کوهورت
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<h1 style="font-size:14px !important;font-family:tahoma;color:navy !important;padding:5px;margin:0px;"><a style="color:navy !important;text-decoration:none !important;font-weight:bold;" href="https://omraan94.sellfile.ir/prod-1898664-پاورپوینت+مطالعات+کوهورت.html?r=14253"> پاورپوینت مطالعات کوهورت </a></h1>
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فرمت فایل: پاورپوینت قابل ویرایش تعداد اسلاید: 18 قسمتی از پاورپوینت : Cohort studies Involves comparing disease incidence over time between groups (cohorts) found to differ on their exposure to a factor of interest. Two types: • prospective • retrospective prospective cohort study begins with the selection of two groups of non-diseased animals: • exposed to a factor postulated to cause a disease • unexposed to a factor postulated to cause a disease retrospective cohort study starts when all of the disease cases have been identified. History of each study participant is carefully evaluated for evidence of exposure to the agent under investigation •تفسیر مقادیر کوهورت •اگر خطر نسبی برابر 1 شود یعنی ارتباطی بین تماس exposure و ...<br clear="both">
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