Table 1.

Summary of demographic, postmortem and medication variables in the control and psychiatric groups

Variable	Control, n = 35	Schizophrenia, n = 35	Bipolar disorder, n = 34
Demographic
Age at death, mean (SD) yr	44.2 (7.6)	42.6 (8.5)	45.4 (10.7)
Sex, male:female	26:9	26:9	16:18†
Postmortem characteristic
Postmortem interval, mean (SD) h	29.4 (12.9)	31.4 (15.5)	37.9 (18.6)
Brain pH, mean (SD)	6.6 (0.3)	6.5 (0.2)	6.4 (0.3)†
Brain hemisphere, right:left	16:19	17:18	19:15
Clinical
Cause of death
Cardiopulmonary	33	21	7
Suicide		7	15
Other	2	7	12
Age at onset, mean (SD) yr	—	21.3 (6.1)	25.3 (9.2)
Duration of disorder, mean (SD) yr	—	21.29 (10.15)	20.15 (9.462)
Antipsychotic dose, median (range) mg*	—	48000 (50–400000)	3000 (0–13000)
Alcohol history, none/mild:moderate or heavy past or present use	30:5	17:18	12:21 (1 missing)
Drug history, none/mild:moderate or heavy past or present use	35:0	18:15 (2 missing)	15:19

SD = standard deviation.

^*Antipsychotic dose is lifetime dose in chlorpromazine milligram equivalents.

^†p < 0.05, statistically significant differences between the psychiatric and control groups.