ADHDgene Database

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Large-scale studies

Data Summary

Published Variant
- SNP: 1391
- CNV: 398
- Others: 173
Published Gene: 359
Published Region: 128
Pathway by PBA: 8
Study: 361

Other Variant Report

Basic Info

Name	DDC_exon1_ins/del_4bp
Type	insertion/deletion
Location	exon 1
Length of Repeat Unit	4bp
Related Gene	DDC
No. of Study	2 (significant: 0; non-significant 2; trend: 0)

Variant related studies (count: 2)

Reference	Allele Change	Risk Allele	Statistical Values	Author Comments	Result of Statistical Analysis
Hawi Z, 2001		Allele 1 (insertion)	HHRR P-value=0.1, X²=2.72, RR=1.25 in the total s...... HHRR P-value=0.1, X²=2.72, RR=1.25 in the total sample More...	HHRR analyses did not attain statistical significance in the...... HHRR analyses did not attain statistical significance in the total sample but showed a greater relative risk for paternal transmission More...	Non-significant
Hawi Z, 2005			TDT P-value=0.18, X²=2.8, OR=3.5 for paternel tra...... TDT P-value=0.18, X²=2.8, OR=3.5 for paternel transmission; TDT P-value=0.63, X²=0.53, OR=1.4 for maternal transmission More...	a trend was seen for paternal transmission and no significan...... a trend was seen for paternal transmission and no significant association was observed for maternal transmission More...	Non-significant