S. No | Author | Location | Population | rsID | Controls | Patients | Substance | Allele frequency | Genotype frequency | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | G | OR | P value | OR | P value | |||||||||
1 | [32] | Europe | Turkish | rs1799971 | 83 | 103 | General substance | 0.839 | 0.084 | 2.07 | 0.031 | 2.32 | 0.027 | |
96 | Opioid | – | – | – | – | 2.217 | 0.081 | |||||||
96 | Cocaine | – | – | – | – | 0.635 | 0.484 | |||||||
2 | [10] | Europe | Swedish | rs1799971 | 120 | 67 | Heroin | 0.828 | 0.172 | 2.72** | 0.0025 | 2.97 | 0.0031 | |
3 | [36] | Europe | European Ancestry | rs1799971 | – | – | Substance dependence | – | – | – | – | 0.90 | 0.952** | |
4 | [34] | Asia | Indonesian | rs1799971 | – | 158 | Opioid | 0.396 | 0.604 | 0.029* | 1.659** | 1.19 | 0.092 | |
5 | [20] | Asia | Pakistan | rs1799971 | 100 | 100 | Opioid | 0.74 | 0.26 | – | – | 3.06(GG) | 0.016 | |
6 | [37] | Europe | Caucasian European | rs1799971 | – | 65 | Heroin | – | – | – | – | 0.061* | 0.013 | |
7 | [35] | North America | European American | rs62638690 | – | 1377 | Heroin/cocaine | © | 0.99 (F) | 0.47 | 0.02 | 0.94 | 0.796 | |
rs17174794 | – | C | 0.38 G | 1.49 | 0.19 | |||||||||
African American | rs17174801 | – | A | 0.9 G | 1.14 | 0.65 | 0.94 | 0.74 | ||||||
rs1799971 | – |  | 2.62** | 0.57 | 0.57 | |||||||||
8 | [33] | European | UAE | rs1799971 | 262 | 512 | SUD | – | – | – | – | 0.78 | 0.12 | |
9 | [39] | Europe | Bulgarian | rs1799971 | 3293 | Heroin | Roma | – | 0.202 | – | 0.0009 | – | – | |
Non-Roma | – | 0.138 | – | – | – | – | ||||||||
10 | [40] | Europe | Spanish | rs1799971 | 763 women (465) Men (298) | Alcohol | Women | Â | Â | Â | Â | 0.55 | 0.049 | |
 | Men | – | – | 2.25 | 0.046 | – | 0.280 | |||||||
11 | [41] | Europe | Caucasian | rs1799971 | 295 | Alcohol | – | – | – | – | – | 0.056 | ||
12 | [49] |  |  | rs1799971 | 9613 | Alcohol | – | – | – | – | 1.261 | 0.042 | ||
13 | [46] | Europe | Finnish | rs1799971 | Â | Â | Â | Â | Â | Â | Â | Â | ||
14 | [47] | Asia | Korean | rs1799971 | 140 | 112 | Alcohol | 0.603 | 0.397 | 1.40 | 0.105 | 1.21 | 0.045 | |
15 | [33] | Europe | UAE | rs1799971 | 262 | 512 | SUD | 0.189 | 0.154 | 0.78 | 0.12 | – | – | |
Egypt Arabs | rs1799971 | 0.007 | 0.052* | 0.73 | 0.54 | – | – | |||||||
Combine of UAE& Egypt Arabs | rs1799971 | 0.17 | 0.13 | 0.73 | 0.04 | – | – | |||||||
16 | [40] | Europe | Spanish | rs1799971 | 763 (Unrelated Subject) | Smoking | – | – | – | – | – | 0.716 | ||
17 | [49] | Europe + Asia | Caucasian + Asian | rs1799971 | 3313 | Nicotine dependence | – | – | 1.000 | 0.999 | 1.261 | 0.042 | ||
18 | [50] | Europe | Caucasian | rs1799971 | 62 | Cigarette craving | – | – | – | – | – | 0.008 | ||
19 | [2] | Europe | Caucasian | rs1799971 | – | Smoking | – | – | – | – | 3.26** | 0.00* |