Shows the summary characteristics of the studies.

All data are presented as the number (count) of trials per period, except the number of subjects, which is presented as mean and standard error.

(*)includes Schizophrenia, “Paraphrenia”, “elderly patients with psychosis” and other types of non-affective psychosis.

(**)includes Maniac-Depressive Illness, Mania, and Bipolar Disorder.