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Power and Sample Size Calculations For Longitudinal Studies by Ân Phan is a document available to read on EtoBox.
What is Power and Sample Size Calculations For Longitudinal Studies about?
This article presents formulas for power and sample size calculations in longitudinal studies with time-varying exposures, addressing the limitations of existing methods that assume time-invariant exposure. It highlights the importance of accounting for variations in exposure patterns and demonstrates that using incorrect formulas can lead to significant overestimations of sample size. The authors provide a publicly available program for performing these calculations and apply their methods to real-world ex
- Author
- Ân Phan
- Language
- EN