Cognitive behavioural therapy versus supportive therapy for persistent positive symptoms in psychotic disorders: The POSITIVE Study, a multicenter, prospective, single-blind, randomised controlled clinical trial

Table 3 number of patients required in the different stages of the trial

	total	per center
required number of eligible patients (with 75% refusal)	1304	217
number of patients to be included (incl. 20% drop out)	330	55
number of patients to be analysed (ITT, LOCF)	330	55
number of patients to be analysed per protocol	260	44
treatment sessions (CBT and ST)	5530	922
number of visits	4620	770

ISSN: 1745-6215