Table 1.
Demographic and Tissue Characteristics
| Controls (n=20) | Suicides (n=20) | P-value1 | |
|---|---|---|---|
| Subject Characteristics: | |||
| Age at death, mean ± S.D. | 41.5 ± 16.1 | 39.9 ± 15.7 | 0.75 |
| Male | 39.1 ± 15.1 | 44.9 ± 13.7 | 0.83 |
| Female | 51.8 ± 14.7 | 37.8 ± 16.5 | 0.39 |
| Gender (n ) | 5F,15M | 9F,11M | 0.32 |
| Race (n ) | 14C,6AA | 18C,2AA | 0.23 |
| Cause of death (n ) | |||
| Suicide | 0 | 20 | – |
| Cardiovacular disease | 8 | 0 | |
| Other | 12 | 0 | |
| Diagnosed with MDD | 0 | 19 | – |
| Diagnosed with Bipolar Disorder | 0 | 1 | – |
| Tissue Characteristics: | |||
| Brain hemisphere | 18R/2L | 14R/4L/2UN | 0.23 |
| Postmoretm Interval (mean hrs ± S.D.) | 18.3 ± 7.4 | 19.1 ± 6.7 | 0.72 |
| Tissue pH (mean ± S.D.) | 6.2 ± 0.4 | 6.2 ± 0.6 | 0.55 |
1
Two-tailed t-test or Chi-squared test
Race: C = Caucasian, AA = African American
UN = Unknown