The SDF-1α3^′ A Genetic Variation Is Correlated with Susceptibility of Asthma in Iranian Patients

Table 2

Frequency of polymorphisms of SDF-1α (CXCL12) gene in asthma patients and controls.

	Patient 𝑛 (%)	Control 𝑛 (%)	OR	95% CI	𝑃 value
Genotype
AA	18 (4.3%)	27 (6.5%)	2.541	1.17–5.51	*0.018
AG	190 (45.6%)	60 (14.4%)	0.144	0.77–0.268	*<0.0001
GG	20 (4.8%)	102 (24.5%)	4.021	2.21–7.29	*<0.0001
Alleles
G	230 (27.6%)	264 (31.7%)	1
A	226 (27.1%)	114 (13.7%)	2.276	1.70–3.03	*<0.0001

*Significant difference was observed.