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. 2016 Mar 22;5:350. doi: 10.1186/s40064-016-1986-y

Table 2.

Polymorphisms of the CYP enzymes CYP2C9, CYP2C19 and CYP2D6 (n = 51)

Enzyme Enzyme activity Genotype Number (%) 95 % CI,  %
CYP2C9 Normal *1/*1 37 (73) 58–84
Intermediate *1/*2, *1/*3 10 (20) 11–35
Poor *2/*2, *2/*3,*3/*3 4 (8) 1–16
CYP2C19 Normal *1/*1 20 (39) 26–54
Approximately normal *1/*17, *2/*17 18 (35) 22–50
Intermediate *1/*2,*1/*3 10 (20) 9–33
Poor *2/*2 2 (4) 0–13
Increased *17/*17 1 (2) 0–10
CYP2D6 Normal *1/*1 13 (26) 14–40
Approximately normal *1/*9, *1/*41 10 (20) 10–33
Intermediate *1/*3, *1/*4, *1/*5, *1/*6, *9/*9, *10/*10, *10/*41, *4/*41 24 (47) 33–62
Poor *3/*4, *4/*4, *4/*5, *5/*6 4 (8) 2–19

95 % CI = 95 % confidence interval