Table 1. Genetic Models Examined.
Model | GRR | Penetrance | FRR | No. of loci for FRRtotal = 1.33 |
I | 20 | 0.4 | 1.036 | 8 |
II | 15 | 0.3 | 1.02 | 15 |
III | 10 | 0.2 | 1.008 | 35 |
IV | 7.5 | 0.15 | 1.0036 | 68 |
V | 5 | 0.10 | 1.0016 | 179 |
Susceptibility allele frequency = 0.0001, sporadic rate = 0.02. GRR: genotype relative risk; FRR: familial relative risk.