Table 3.

Pairwise haplotype frequencies in SCCHN patients and controls.

	No. alleles	Estimated haplotype frequency				D'
		‡ 1 - 1	1 - 2^	2 - 1	2 - 2
Intron 3-exon 4 †
Cases	566	0.740	0.052	0.086	0.120	0.61
Controls	590	0.716	0.030	0.120	0.131	0.74
Intron 3-intron 6†
Cases	566	0.772	0.055	0.058	0.115	0.61
Controls	590	0.763	0.074	0.035	0.128	0.73
Exon 4-intron 6*
Cases	566	0.744	0.049	0.086	0.121	0.64
Controls	590	0.719	0.026	0.076	0.176	0.83

† p-value of χ²-test: cases versus controls > 0.1

* p-value < 0.001

‡ 1 = intron 3 (W), exon 4 Arg, intron 6 G

^ 2 = intron (M), exon 4 Pro, intron 6 A