Table 4. Comparison of CSF1PO 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 | 0 (0.0%) | 2 (0.2%) | exact test | 0.4997 | ---- | ---- |
| 8 | 2 (0.3%) | 0 (0.0%) | exact test | 0.2450 | ---- | ---- |
| 9 | 26 (3.2%) | 30 (3.6%) | χ2=0.22 | 0.6385 | 0.88 | 0.52-1.50 |
| 10 | 162 (19.9%) | 208 (25.1%) | χ2=6.27 | 0.0123 | 0.74 | 0.59-0.94 |
| 11 | 218 (26.8%) | 227 (27.4%) | χ2=0.07 | 0.7955 | 0.97 | 0.78-1.21 |
| 12 | 332 (40.8%) | 291 (35.1%) | χ2=5.73 | 0.0167 | 1.28 | 1.04-1.56 |
| 13 | 66 (8.1%) | 50 (6.0%) | χ2=2.72 | 0.0990 | 1.38 | 0.94-2.01 |
| 14 | 6 (0.7%) | 22 (2.7%) | χ2=8.99 | 0.0035 | 0.27 | 0.11-0.68 |
| 15 | 2 (0.3%) | 0 (0.0%) | exact test | 0.2450 | ---- | ---- |
| Total | 814 (100%) | 830 (100%) | ---- | ---- | ---- | ---- |
a 2x9 χ2=24.04, p=0.001
b p<0.0055 was considered statistically significant