دوره 2، شماره 4 - ( 10-1389 )
جلد 2 شماره 4 صفحات 298-289 |
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Hajian-Tilaki K. Sample size estimation in epidemiologic studies. Caspian J Intern Med 2011; 2 (4) :289-298
URL: http://caspjim.com/article-1-132-fa.html
URL: http://caspjim.com/article-1-132-fa.html
Sample size estimation in epidemiologic studies. . 1389; 2 (4) :289-298
چکیده: (8883 مشاهده)
This review basically provided a conceptual framework for sample size calculation in epidemiologic studies with various designs and outcomes. The formula requirement of sample size was drawn based on statistical principles for both descriptive and comparative studies. The required sample size was estimated and presented graphically with different effect sizes and power of statistical test at 95% confidence level. This would help the clinicians to decide and ascertain a suitable sample size in research protocol in order to detect an effect of interest.
نوع مطالعه: Original Article |
موضوع مقاله:
Infectious Diseases
دریافت: 1392/10/25 | پذیرش: 1392/10/25 | انتشار: 1392/10/25
دریافت: 1392/10/25 | پذیرش: 1392/10/25 | انتشار: 1392/10/25
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