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. 2002 Dec;70(12):6919–6925. doi: 10.1128/IAI.70.12.6919-6925.2002

TABLE 4.

Frequencies with which TNFA promoter alleles were passed from heterozygous parents to offspring with the different phenotypes in unrelated trios

Phenotype No. of cases in which allele was passed
P valuea
TNF1 TNF2 Total
VL 15 10 25 0.3157
DTH+ 28 8 36 0.0006
DTH− 38 46 84 0.3824
a

The P values were obtained from TDT allele-wise analysis.