Table 4.

Treatment Discontinuation Rates

Parameter	Value				Data Source
Annual All-Cause Discontinuation Rates
Olanzapine	54.0%
Risperidone	63.0%				Lieberman et al., 2005 [23]
Quetiapine	76.0%
Ziprasidone	74.0%
Aripiprazole	61.0%				Fleischhacker et al., 2008 [68]
Annual Discontinuation Rates by Reason
	Lack of Efficacy	Intolerability	Patient Decision	Other
Olanzapine	13%	16%	20%	5%
Risperidone	22%	10%	22%	9%	Lieberman et al., 2005 [23]
Quetiapine	27%	14%	29%	6%
Ziprasidone	25%	13%	30%	6%
Aripiprazole	15%	18%	23%	5%	Fleischhacker et al., 2008 [68]