Per cent of patients in early-good and in delayed-partial trajectory groups, according to treatment
Clozapine: dark grey; chlorpromazine: light grey
Numbers of patients are indicated within bars. Mixed (study 16) and refractory (study 30) data are shown separately. The distribution of clozapine–chlorpromazine treatment was significantly different (P < 0.001) in the trajectory groups in the refractory study.