Table 1.
| A. Demography and categories of subjects in the association study | |||||
|---|---|---|---|---|---|
| Ethnicity | Control | Cocaine dependent | Cocaine/alcohol codependent | Combined cocaine dependent and cocaine/alcohol codependent | Total |
| African Americans | 76 | 61 | 67 | 128 | 204 |
| Caucasians | 65 | 17 | 24 | 41 | 106 |
| Total | 141 | 78 | 91 | 169 | 310 |
| B. Demography and categories of postmortem brain samples | |||||
| Ethnicity | Age | PMI, h | HIV negative | HIV positive | Total |
| African Americans | 50.2 ±9.0 | 12.3 ±8.2 | 3 | 9 | 12 |
| Caucasians | 45.6 ±10.1 | 10.2 ±4.9 | 7 | 6 | 13 |
| Hispanics | 50.1 ±11.0 | 14.3 ±7.5 | 7 | 9 | 16 |
| Asians | 41.5 ±19.1 | 16.0 ±8.0 | 1 | 1 | 2 |
| Total | 18 | 25 | 43 | ||