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. Author manuscript; available in PMC: 2016 Apr 15.
Published in final edited form as: Genes Brain Behav. 2014 Jun 19;13(6):535–542. doi: 10.1111/gbb.12141

Table 7.

Transmission disequilibrium test analysis of the (GTTTT)n repeat polymorphism in the KCNJ5 gene ADHD sample

Allele MAF Transmitted Non-transmitted χ2 P value
1 0.696 86 51 8.942 0.003
2 0.084 16 28 3.273 0.071
3 0.213 45 70 5.435 0.019
4 0.004 2 0

χ2 on 3 df = 13.2871, P = 0.0040.