Table 1. Genotype and allele frequency of CTSD gene.

SNPs	Genotypes frequencies			Alleles frequencies
2614T>C,untitled 1*	TT	TC	CC	C	T
	0.189(82)	0.419(182)	0.392(170)	0.601(522)	0.399(346)
5274G>T, rs16469410**	GG	GT	TT	G	T
	0.594(258)	0.339(147)	0.067(29)	0.764(663)	0.236(205)

^*X² = 6.82 and P value = 0.009 for Hardy-Weinberg equilibrium test,

^**X² = 1.63 and P value = 0.202 for Hardy-Weinberg equilibrium test.