Research Article
The Association between DRD3 Ser9Gly Polymorphism and Depression Severity in Parkinson’s Disease
Table 1
Genotype frequencies for DRD3 gene Ser9Gly in PD group and HC group.
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Genotype frequencies for DRD3 Ser9Gly in the PD group (χ2 = 2.181, ) and the HC group (χ2 = 0.084, ) did not deviate from Hardy–Weinberg equilibrium. Abbreviations: DRD3, dopamine receptor D3 gene; PD, Parkinson’s disease; HC, healthy control. |