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. 2021 Apr 9;23:108. doi: 10.1186/s13075-021-02495-x

Table 4.

Power calculation of the current analysis

Exposure Variance explained by index SNPs Sample size (% cases) Power to detect OR
1.05/0.95 1.10/0.91 1.15/0.87 1.20/0.83
Age at menarche 0.074 58,284 (24.64%) 28% 78% 98% 100%
Age at natural menopause 0.057 23% 67% 95% 100%
Age at first birth 0.002 6% 7% 10% 14%