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. 2018 Dec 6;20(1):9–20. doi: 10.2217/pgs-2018-0135

Table 4. . Revised CYP2D6 allele frequencies.

CYP2D6 allele African–American (n = 160) Asian (n = 174) Caucasian (n = 166) Hispanic (n = 162) Ashkenazi Jewish (n = 192)

  Freq. 95% CI Freq. 95% CI Freq. 95% CI Freq. 95% CI Freq. 95% CI
Increased function

*1×2 0.013 0.000–0.030 0.000 0.000–0.000 0.000 0.000–0.000 0.006 0.000–0.018 0.026 0.004–0.049

*2×2 0.025 0.001–0.049 0.011 0.000–0.027 0.012 0.000–0.029 0.018 0.000–0.039 0.078 0.040–0.116

Subtotal 0.038   0.011   0.012   0.024   0.104  

Normal function

*1 0.256 0.189–0.324 0.273 0.207–0.339 0.361 0.288–0.435 0.475 0.398–0.552 0.313 0.247–0.378

*2 0.213 0.149–0.276 0.142 0.090–0.194 0.169 0.112–0.226 0.226 0.162–0.290 0.099 0.057–0.141

*29×2 0.006 0.000–0.018 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*35 0.000 0.000–0.000 0.011 0.000–0.027 0.066 0.028–0.104 0.024 0.001–0.048 0.026 0.004–0.049

Subtotal 0.475   0.426   0.596   0.725   0.438  

Decreased function

*9 0.000 0.000–0.000 0.006 0.000–0.017 0.012 0.000–0.029 0.024 0.001–0.048 0.005 0.000–0.015

*10 0.044 0.012–0.075 0.136 0.086–0.187 0.030 0.004–0.056 0.000 0.000–0.000 0.078 0.040–0.116

*17 0.125 0.074–0.176 0.000 0.000–0.000 0.000 0.000–0.000 0.006 0.000–0.018 0.010 0.000–0.025

*29 0.106 0.059–0.154 0.006 0.000–0.017 0.000 0.000–0.000 0.006 0.000–0.018 0.000 0.000–0.000

*36+*10 0.000 0.000–0.000 0.153 0.100–0.207 0.006 0.000–0.018 0.006 0.000–0.018 0.005 0.000–0.015

*36×2+*10 0.000 0.000–0.000 0.057 0.023–0.092 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*41 0.025 0.001–0.049 0.074 0.035–0.113 0.127 0.076–0.177 0.073 0.033–0.113 0.141 0.091–0.190

*41×2 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

Subtotal 0.300   0.432   0.175   0.116   0.240  

No function

*3 0.000 0.000–0.000 0.006 0.000–0.017 0.018 0.000–0.038 0.006 0.000–0.018 0.005 0.000–0.015

*4 0.069 0.030–0.108 0.051 0.019–0.084 0.169 0.112–0.226 0.091 0.047–0.136 0.203 0.146–0.260

*4×2 0.050 0.016–0.084 0.000 0.000–0.000 0.006 0.000–0.018 0.000 0.000–0.000 0.000 0.000–0.000

*5 0.056 0.021–0.092 0.046 0.015–0.077 0.018 0.000–0.038 0.030 0.004–0.057 0.005 0.000–0.015

*6 0.000 0.000–0.000 0.000 0.000–0.000 0.006 0.000–0.018 0.000 0.000–0.000 0.005 0.000–0.015

*7 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*8 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*11 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*14 0.000 0.000–0.000 0.011 0.000–0.027 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*15 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

*36 0.013 0.000–0.030 0.006 0.000–0.017 0.000 0.000–0.000 0.000 0.000–0.000 0.000 0.000–0.000

Subtotal 0.188   0.120   0.217   0.128   0.219  

Freq.: Frequency.