Year | 2 | 5 | 10 | ||||||
Yearly rate (%) | 0.50 | 0.75 | 1.00 | 0.50 | 0.75 | 1.00 | 0.50 | 0.75 | 1.00 |
Cumulative rate (%) | 1.00 | 1.50 | 2.00 | 2.50 | 3.75 | 5.00 | 5.00 | 7.50 | 10.00 |
n=500 | 0.201 | 0.261 | 0.317 | 0.369 | 0.486 | 0.583 | 0.583 | 0.726 | 0.8197 |
n=1000 | 0.322 | 0.428 | 0.521 | 0.601 | 0.753 | 0.849 | 0.849 | 0.945 | 0.9797 |
n=1500 | 0.431 | 0.568 | 0.677 | 0.761 | 0.891 | 0.952 | 0.952 | 0.991 | 0.9982 |
n=2000 | 0.528 | 0.68 | 0.788 | 0.862 | 0.955 | 0.986 | 0.986 | 0.999 | 0.9999 |
n=2500 | 0.612 | 0.767 | 0.865 | 0.923 | 0.982 | 0.996 | 0.996 | 1 | 1 |
n=3000 | 0.684 | 0.833 | 0.916 | 0.958 | 0.993 | 0.999 | 0.999 | 1 | 1 |
n=3500 | 0.744 | 0.882 | 0.948 | 0.978 | 0.998 | 1 | 1 | 1 | 1 |
n=4000 | 0.795 | 0.917 | 0.969 | 0.988 | 0.999 | 1 | 1 | 1 | 1 |
Rows correspond to various sample size for each device brand. Columns correspond to various yearly event rates of a generic binary event, resulting in cumulate rate at years 2, 5 and 10. Each cell denotes the power to detect an OR of 1.5. Cells colored red, white, yellow and green denote <50%, 50%–70%, 70%–90% and >90% power, respectively.