Table 3. Comparison of TPOX locus allele frequencies among men with impulsive violent behavior (cases) and men without impulsive violent behavior (controls) in a Han Chinese population.
| alleles | allele frequenciesa |
statistic | p-valueb | odds ratio | 95%CI | |
| cases (n=407) | controls (n=415) | |||||
| 7 | 2 (0.3%) | 0 (0.0%) | exact test | 0.2450 | ---- | ---- |
| 8 | 400 (49.1%) | 479 (57.7%) | χ2=12.13 | 0.0005 | 0.71 | 0.58-0.86 |
| 9 | 72 (8.9%) | 108 (13.0%) | χ2=7.32 | 0.0072 | 0.65 | 0.47-0.89 |
| 10 | 22 (2.7%) | 20 (2.4%) | χ2=0.14 | 0.7065 | 1.13 | 0.61-2.08 |
| 11 | 294 (36.1%) | 199 (24.0%) | χ2=28.86 | <0.0001 | 1.79 | 1.45-2.22 |
| 12 | 24 (3.0%) | 24 (2.9%) | χ2=0.01 | 0.9454 | 1.02 | 0.57-1.81 |
| Total | 814 (100%) | 830 (100%) | ---- | ---- | ---- | ---- |
a 2x6 χ2=34.6, p<0.001
b p<0.0083 was considered statistically significant