Table 3

Comparison of change scores in patients taking clozapine compared with the placebo group at the end of period III (PIII)

ScoresAll patients (N = 54)Formerly clozapine† (N = 30)Formerly placebo† (N = 24)
BaselineEnd PIIIΔ End PIII*BaselineEnd PIIIΔ End PIII*BaselineEnd PIIIΔ End PIII*
Values are mean (SD).
*95% confidence interval and p value for within group t test on change from baseline also shown; †according to treatment group in period II.
CGI, clinical global impression scale; PANSS, positive and negative syndrome scale.
CGI5.0 (0.9)2.8 (1.3)−2.2 (1.55); −2.6 to −1.8; p<0.00015.1 (0.8)2.6 (1.5)−2.5 (1.6); −3.1 to −1.9; p<0.00014.9 (1.0)3.1 (1.1)−1.8 (1.4); −2.4 to −1.2; p<0.0001
Positive PANSS16.9 (5.1)10.5 (3.6)−6.4 (5.5); −7.9 to −4.9; p<0.000117.8 (4.8)10.1 (3.7)−7.7 (5.5); −9.7 to −5.7; p<0.000115.7 (5.4)10.9 (3.6)−4.8 (5.3); −6.9 to −2.7; p = 0.0002