Table 2.
Association of the DRD2 TaqIA polymorphism on PD susceptibility
| Analysis model | n | ORr (95% CI) | ORf (95% CI) | Ph | |
|---|---|---|---|---|---|
| A1 vs. A2 | Total analysis | 13 | 1.05 (0.97-1.14) | 1.05 (0.98-1.13) | 0.253 |
| Caucasian | 5 | 1.18 (1.00-1.40) | 1.14 (1.02-1.27) | 0.221 | |
| Asians | 8 | 1.01 (0.92-1.10) | 1.01 (0.92-1.10) | 0.518 | |
| A1A1 vs. A2A2 | Total analysis | 13 | 1.08 (0.92-1.26) | 1.07 (0.92-1.25) | 0.735 |
| Caucasian | 5 | 1.24 (0.92-1.67) | 1.24 (0.92-1.67) | 0.943 | |
| Asians | 8 | 1.02 (0.85-1.23) | 1.02 (0.85-1.22) | 0.465 | |
| A1A1 vs. A1A2 | Total analysis | 13 | 1.04 (0.90-1.21) | 1.04 (0.90-1.21) | 0.876 |
| Caucasian | 5 | 1.09 (0.80-1.48) | 1.08 (0.80-1.47) | 0.627 | |
| Asians | 8 | 1.03 (0.87-1.22) | 1.03 (0.86-1.22) | 0.776 | |
| A1A1 vs. (A2A2 + A1A2) | Total analysis | 13 | 1.06 (0.92-1.23) | 1.06 (0.92-1.22) | 0.850 |
| Caucasian | 5 | 1.17 (0.88-1.57) | 1.17 (0.88-1.57) | 0.844 | |
| Asians | 8 | 1.03 (0.88-1.21) | 1.03 (0.87-1.21) | 0.645 | |
| (A1A1 + A1A2) vs. A2A2 | Total analysis | 13 | 1.07 (0.96-1.21) | 1.07 (0.98-1.18) | 0.181 |
| Caucasian | 5 | 1.31 (1.01-1.69) | 1.16 (1.02-1.33) | 0.077 | |
| Asians | 8 | 1.00 (0.88-1.13) | 1.00 (0.88-1.13) | 0.648 | |
ORr: Odds ratio for random-effect model; ORf: Odds ratio for fixed-effect model; Ph: P value for heterogeneity test.