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Table 1 Transmission of alleles of the codon 17 dimorphism at the CTLA4 locus from heterozygous parents to affected probands in 56 discordant sibling pairs with IDDM

From: CTLA4 gene polymorphisms are associated with, and linked to, insulin-dependent diabetes mellitus in a Russian population

Allele TDT Combined (TDT + S-TDT)
  Transmitted Not transmitted χ2a (df = 1) P value z' P Value
Ala 39 11 15.680 0.00008 4.072 0.00003
Thr 11 39 15.680 0.00008 4.072 0.00003