Table 1.

Details of genotypes and allele frequencies of N551K and R1398H by ethnicity

	PD cases			Controls
	Malay	Chinese	Indian	Malay	Chinese	Indian
N551K (c.1653C>G), rs7308720
Wild type (C/C)	155	239	72	113	214	81
Heterozygous mutant (C/G)	13	38	4	18	54	8
Homozygous mutant (G/G)	–	2	–	2	1	–
Allelic frequency (%)
Wild type (C)	96.1	92.5	97.4	91.7	89.6	95.5
Mutant (G)	3.9	7.5	2.6	8.3	10.4	4.5
R1398H (c. 4193G>A), rs7133914
Wild type (G/G)	155	233	71	115	215	80
Heterozygous mutant (G/A)	13	45	5	16	53	8
Homozygous mutant (A/A)	–	1	–	2	1	1
Allelic frequency (%)
Wild type(G)	95.6	91.5	96.7	92.5	89.8	93.6
Mutant (A)	4.4	8.6	3.3	7.5	10.2	5.4