Characteristics of the postmortem cohorts
| Group; mean ± SEM* | ||||
|---|---|---|---|---|
| Variable | Control (n = 30) | Schizophrenia (n = 30) | t | p value |
| Age at death, yr | 54.63 ± 13.97 | 50.43 ± 12.06 | 1.226 | 0.23 |
| Postmortem interval, h | 28.03 ± 12.39 | 33.58 ± 13.35 | −1.640 | 0.11 |
| Brain pH | 6.51 ± 0.35 | 6.55 ± 0.19 | −0.609 | 0.55 |
| Freezer storage time, d | 3567 ± 1360 | 3708 ± 1387 | −0.391 | 0.70 |
| Hemisphere, right:left | 18:12 | 18:12 | — | — |
| Sex, male:female | 19:11 | 19:11 | — | — |
| Age at disease onset, yr | — | 23.08 ± 6.49 | — | — |
| Duration of illness, yr | — | 27.35 ± 12.85 | — | — |
| Chlorpromazine equivalent, g† | — | 8665 ± 1709 | — | — |
| Antidepressant history, yes:no | — | 14 yes, 16 no | — | — |