PTSDgene database

Study Report

Study Information
Basic Info
Citation Gelernter, J., et al. (1999). "No association between D2 dopamine receptor (DRD2) "A" system alleles, or DRD2 haplotypes, and posttraumatic stress disorder." Biol Psychiatry 45(5): 620-625.
Phenotype PTSD diagnosis
Trauma Vietnam combat
Study Design Case-control
Study Type Candidate gene association study
Sample Size 52 cases, 87 controls
SNP/Marker Size 1 SNP,1 Variant
Predominant Ethnicity Caucasian
Population European American
Gender Not mentioned
Age Case: mean age=44.6 years, SD=3.6. Control: not mentioned

Detail Info

Genetic result reported by this study
Normal genetic result reported by this study (count: 1)
Marker Phenotype Related Gene Statistical Values Author Comments Marker's Category
rs1800497 PTSD diagnosis DRD2 Analysis by alleles: X2=0.35, P-value=0.55; analysis by carrier: X2=0.41, P-value=0.52. Frequency of the A1 allele in this sample was not significan...... Frequency of the A1 allele in this sample was not significantly different from the allele frequency seen in 87 control subjects. More... Non-significant