Table 3. Genotype and allele frequencies of CTLA4 (+49 A>G and chr2:203868145 A>C) in patients with T1D and controls .

Genes	SNP types	Patients (%)	Controls (%)	Odd ratio (95% CI)	P value
CTLA4	+49 A>G
	AA	36 (72)	41 (82)	1.00	0.24
	AG	2 (4)	7 (14)	1.00	0.08
	GG	12 (24)	2 (4)	2.17 (0.67-6.96)	0.004*
	A	74 (74)	89 (89)	1.2 (0.19-8.72)	0.006*
	G	26 (26)	11 (11)	1.03 (0.26-1.93)	0.006*
	chr2:203868145
	AA	39 (78)	47 (94)	1.00	0.02*
	AC	8 (16)	3 (6)	1.00	0.11
	CC	3 (6)	0 (0)	0.00	0.08*
	A	86 (86)	97 (97)	2.03 (0.61-6.46)	0.005*
	C	14 (14)	3 (3)	1.22 (0.06-8.47)	0.005*

Chr2: chromosome 2, SNP: single nucleotide polymorphism.