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. 2001 Mar 27;2:6. doi: 10.1186/1471-2156-2-6

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

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