Practical guide to calculate sample size for chi-square test in biomedical research

Practical guide to calculate sample size for chi-square test in biomedical research

Abstract In biomedical research, the calculation of sample size is a critical component of study design. Adequate sample size ensures the reliability of statistical tests, including the chi-square test. This manuscript outlines the use of an online sample size calculator for chi-square tests. The pa...

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Bibliographic Details
Main Authors: Hanif Abdul Rahman, ⁠Amirul Ariffin Noraidi, ⁠Amal Nadhirah Hj Khalid, ⁠Alanna Zawani Mohamad-Adam, Nurrabiatul Haziqah Zahari, Nurezzah Ezzaty Tuming
Format: Article
Language:English
Published: BMC 2025-05-01
Series:BMC Medical Research Methodology
Subjects:
Sample size calculator
Chi square test
Two proportions
Online Access:https://doi.org/10.1186/s12874-025-02584-4
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https://doi.org/10.1186/s12874-025-02584-4

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