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J Med Genet 41:42-46 doi:10.1136/jmg.2003.010603
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A locus on 15q15-15qter influences dyslexia: further support from a transmission/disequilibrium study in an Italian speaking population

Table 3

 Estimated χ2 test for the most significant three marker combinations using TRANSMIT

H D15S214* D15S508 D15S182 Obs Exp Var (Obs−Exp) χ2 1 df p value
Markers are shown in order. H, haplotypes for the combination D15S214/D15S508/D15S182; only haplotypes with frequencies above 0.03 are included. Obs, observed transmissions of haplotype to affected offspring; Exp, expected transmission under Mendelian inheritance; Var (Obs−Exp), variance of the difference between observed and expected transmissions; p values are two sided; corrected nominal alpha was set at 0.006 (corrected for nine tests)
*Allele 3 = 262 bp; allele 6 = 268 bp
Allele 1 = 159 bp; allele 2 = 161 bp
Allele 4 = 283 bp; allele 6 = 287 bp; allele 7 = 289 bp
1 3 1 4 11.26 11.61 5.05 0.02 ns
2 3 2 4 7.74 8.76 4.71 0.22 ns
3 3 1 6 45.85 51.68 24.87 1.37 0.48
4 6 1 6 15.99 15.67 5.60 0.02 ns
5 3 2 6 31.84 32.01 10.08 0 ns
6 6 2 6 4.25 9.13 3.66 6.50 0.02
7 3 1 7 26.56 24.35 9.44 0.51 0.96
8 6 1 7 3.88 8.73 3.37 6.99 0.016
9 3 2 7 11.75 7.66 3.0 5.56 0.04

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