RESULTS	However , intention-to-treat ( ITT ) as well as PP analysis showed a statistically significant decrease in the BPRS total scores in both treatment groups ( PP : trimipramine , 56.5 + / - 9.8 to 44.1 + / - 17.9 ; perazine , 56.4 + / - 10.8 to 37.9 + / - 12.9 ) .\