Table III.

Gene frequencies of HPA-1 to -6 and -15 in the Malaysian population.

System	Genotype	Malay					Chinese					Indian
		No.	%	*p-value	Allele frequency		No.	%	*p-value	Allele frequency		No.	%	*p-value	Allele frequency
					a	b				a	b				a	b
HPA-1	aa	190	95.0				200	100.0				155	77.5
	ab	10	5.0				0	0.0				44	22.0
	bb	0	0.0	1.000	0.9750	0.0250	0	0.0		1.0000	0.0000	1	0.5	0.482	0.8850	0.1150
HPA-2	aa	185	92.5				188	94.0				185	92.5
	ab	15	7.5				11	5.5				14	7.0
	bb	0	0.0	1.000	0.9625	0.0375	1	0.5	0.182	0.9675	0.0325	1	0.5	0.268	0.9600	0.0400
HPA-3	aa	49	24.5				66	33.0				78	39.0
	ab	103	51.5				97	48.5				92	46.0
	bb	48	24.0	1.000	0.5025	0.4975	37	18.5	0.665	0.5725	0.4275	30	15.0	0.221	0.6200	0.3800
HPA-4	aa	199	99.5				199	99.5				199	99.5
	ab	0	0.0				1	0.5				1	0.5
	bb	1	0.5	0.003	0.9950	0.0050	0	0.0	1.000	0.9975	0.0025	0	0.0	1.000	0.9975	0.0025
HPA-5	aa	180	90.0				193	96.5				177	88.5
	ab	20	10.0				7	3.5				22	11.0
	bb	0	0.0	1.000	0.9500	0.0500	0	0.0	1.000	0.9825	0.0175	1	0.5	0.520	0.9400	0.0600
HPA-6	aa	197	98.5				193	96.5				198	99.0
	ab	3	1.5				7	3.5				2	1.0
	bb	0	0.0	1.000	0.9925	0.0075	0	0.0	1.000	0.9825	0.0175	0	0.0	1.000	0.9950	0.0050
HPA-15	aa	50	25.0				46	23.0				36	18.0
	ab	106	53.0				107	53.5				91	45.5
	bb	44	22.0	0.479	0.5150	0.4850	47	23.5	0.395	0.4975	0.5025	73	36.5	0.462	0.4075	0.5925

^*p-value of Hardy-Weinberg test