Clinical Study
Polymorphism of μ-Opioid Receptor Gene (OPRM1:c.118A>G) Might Not Protect against or Enhance Morphine-Induced Nausea or Vomiting
Table 5
Test for Hardy-Weinberg equilibrium.
| | The observed frequency | The expected frequency in a state of Hardy-Weinberg equilibrium | P value |
| Genotype | | | | A/A | 56 (43.4%) | 55.4 (42.9%) | 0.969 | A/G | 57 (44.2%) | 58.3 (45.2%) | G/G | 16 (12.4%) | 15.4 (11.9%) |
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