Table 2 Distribution of alleles of DRD2 Taq I A polymorphism in heroin-dependent patients and control individualsa
Allb | Malesc | Femalesd | |||||||
|---|---|---|---|---|---|---|---|---|---|
Alleles | Patients | Controls | Total | Patients | Controls | Total | Patients | Controls | Total |
A1 | 123(0.219) | 51(0.176) | 174(0.204) | 101(0.244) | 32(0.163) | 133(0.218) | 22(0.149) | 19(0.202) | 41(0.169) |
A2 | 439(0.781) | 239(0.824) | 678(0.796) | 313(0.756) | 164(0.837) | 477(0.782) | 126(0.851) | 75(0.798) | 201(0.831) |
Total | 562 | 290 | 852 | 414 | 196 | 610 | 148 | 94 | 242 |