Table 1.
Observed genotype frequencies of the MDR1 polymorphism at positions 1236, 3435, and 2677 using TaqMan® Genotyping Assay (all SNPs) and RFLP analysis (G2677T/A only).
| 1236 | 3435 | 2677 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ethnicity | wt | var | wt | var | wt | var | |||
| Caucasian | 0.58 | 0.42 | 0.46 | 0.54 | 0.76 | 0.24 | |||
| African American | 0.77 | 0.23 | 0.74 | 0.26 | 0.86 | 0.14 | |||
| Hispanic | 0.39 | 0.61 | 0.48 | 0.52 | 0.5 | 0.5 | |||
| Comparison | A | B | C | A | B | C | A | B | C |
| p value | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | 0.69 | 0.02 | <0.01 | <0.01 |
A – Caucasian v. African American
B – African American v. Hispanic
C – Caucasian v. Hispanic