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Table 4 Treatment Discontinuation Rates

From: Cost-effectiveness model comparing olanzapine and other oral atypical antipsychotics in the treatment of schizophrenia in the United States

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]