Table 6.

TDT and sibling TDT^a

Allele	TDT			Sibling TDT			Combined
	Transmitted	Not Transmitted	χ2	Y	Mean	z′	W	Mean	z′
Total
Hap I	40	22	5.23b	7	4.63	2.16b	47	35.63	2.70b
Hap II	22	40	5.23b	9	11.38	2.16b	31	42.38	2.70b
Male
Hap I	17	14	0.29	0	0	N/A	17	15.50	0.36
Hap II	14	17	0.29	0	0	N/A	14	15.50	0.36
Female
Hap I	23	8	7.26b	5	2.79	1.99b	28	18.29	3.16b
Hap II	8	23	7.26b	5	7.21	1.99b	13	22.71	3.16b

^aStatistical analysis was performed by the TDT-STDT Program 1.1. W, number of alleles combined from TDT and sibling TDT; Y, observed number of alleles among affected sibs.

^bP < 0.05.