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Table 2 CYP2D6 allele frequencies (n = 69)

From: Risperidone plasma level, and its correlation with CYP2D6 gene polymorphism, clinical response and side effects in chronic schizophrenia patients

Alleles

CPIC clinical function

Frequency

%

*1

normal function

36

26.09%

*2

normal function

9

6.52%

*10

decreased function

82

59.42%

*41

decreased function

2

1.45%

*65

decreased function

9

6.52%