Polymorphisms in Vitamin D Receptor Genes in Association with Childhood Autism Spectrum Disorder

Table 4

Correlation between SNP genotypes and allele frequencies with severity of childhood ASD.

SNPs	Genotype/allele	Severe; n (%)	Mild–moderate; n (%)	OR	95% CI	value
rs731276
	TT	67 (84.8)	103 (84.4)	1
	CT	12 (15.2)	19 (15.6)	0.97	0.44–2.13	0.9415
	T	146 (92.4)	225 (92.2)	1
	C	12 (7.6)	19 (7.8)	0.97	0.46–2.07	0.9440
rs1568820
	GG	29 (37.2)	47 (38.8)	1
	GA	38 (48.7)	48 (39.7)	1.28	0.68–2.41	0.4372
	AA	11 (14.1)	26 (21.5)	0.69	0.30–1.59	0.3806
	G	96 (61.5)	142 (58.7)	1
	A	60 (38.5)	100 (41.3)	0.89	0.59–1.34	0.5699
rs1544410
	GG	70 (88.6)	107 (87.7)	1
	GA	9 (11.4)	15 (12.3)	0.92	0.38–2.21	0.8472
	G	149 (94.3)	229 (93.9)	1
	A	9 (5.7)	15 (6.1)	0.92	0.39–2.16	0.8532
rs2228570
	TT	22 (28.2)	31 (25.6)	1
	CT	38 (48.7)	61 (50.4)	0.88	0.39–1.95	0.7072
	CC	18 (23.1)	29 (24.0)	0.88	0.45–1.73	0.7436
	T	82 (52.6)	123 (50.8)	1
	C	74 (47.4)	119 (49.2)	0.93	0.62–1.40	0.7350