Sample size estimation in epidemiologic studies.
Year: 2011
Type: article
Abstract: 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.
Source: Europe PMC (PubMed Central)
Author: Karimollah Hajian-Tilaki
Institution: Babol University of Medical Sciences
Language: English
Subfield: Statistics and Probability
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2132073384