Table 2 Example from Li et al: "A common polymorphism in XRCC1 as a biomarker of susceptibility for chemically induced genetic damage" [11]
|  | Individuals with XRCC1 high-risk genotype (Gln – Gln) | Individuals with XRCC1 low-risk genotype (Arg – Arg) | ||
|---|---|---|---|---|
| Â | p53+ | p53- | p53+ | p53- |
High vinyl chloride exposure (>4000 ppm-yrs) | 8 | 2 | 11 | 20 |
Low vinyl chloride exposure (≤1000 ppm-yrs) | 5 | 6 | 6 | 18 |
Risk Ratio | 1.76 | 1.42 | ||
Odds Ratio | 4.80 | 1.65 | ||