Example calculators for required sample size given a desired level of power or for statistical power given a specific sample size in both one-sample and two-sample settings. These calculators can be used for both binary and continuous outcomes (32,82).
References
- Brion MJ, Shakhbazov K, Visscher PM. Calculating statistical power in Mendelian randomization studies. Int J Epidemiol 2013;42:1497-501.
- Zheng J, Baird D, Borges MC et al. Recent Developments in Mendelian Randomization Studies. Curr Epidemiol Rep 2017;4:330-345.