Table 4. Power of the study with different relative risks (RR).
SNP | Genetic model | MAF of control | Power % | ||
---|---|---|---|---|---|
RR = 2 | RR = 3 | RR = 4 | |||
Prospective cohort | |||||
rs1695 | Allele | 0.199 | 0.65 | 0.96 | 0.99 |
rs4147581 | Allele | 0.323 | 0.72 | 0.98 | 0.99 |
Retrospective cohort | |||||
rs1695 | Allele | 0.193 | 0.99 | 1 | 1 |
rs4147581 | Allele | 0.311 | 0.99 | 1 | 1 |
SNP, single nucleotide polymorphism; RR, relative risk