Table 2.

Numbers of subjects in each subgroup (based on diagnosis and medication)

	Untreated	ATA/TCA	Other medication
Normal	15	–	–
Schizophrenia	3	7	5
Bipolar disorder	3	4	8
Major depression	3	4	8

ATA, atypical antipsychotics, includes clozapine and risperidone; potent anti-H₁ medication includes clozapine, imipramine, amitriptyline, nortriptyline, clomipramine, maprotiline, diphenhydramine and hydroxyzine; TCA, tricyclic antidepressants, includes imipramine, amitriptyline, nortriptyline, clomipramine, maprotiline and desipramine; untreated, drug-naïve or had been off-medication for at least 2 weeks before death.