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. 2016 Jun 9;11(6):e0157478. doi: 10.1371/journal.pone.0157478

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