significance was the interaction term, which allows
comparison of the treatment groups over
time. For descriptive purposes, we also provide
information on the differences between groups
in the change from baseline to eight weeks and
on effect sizes. In a secondary analysis, the proportions
of patients having a response (those with
a decrease in total PANSS score of at least 20
percent) in each group were compared by the
chi-square test.
** CGI scores of the severity of mental illness range from 1 (not mentally ill) to 7 (extremely ill).
†† SOFAS scores range from 1 to 100, with lower scores indicating greater impairment in psychosocial functioning.
‡‡ P=0.04.
§§ The data were obtained from 67 patients.