Table 3. IMPA2 haplotype frequency and the association with ischemic stroke risk.

Haplotype block	Haplotype frequency		OR (95%CI)	Chi-square	P
	cases	Controls
rs7506045-rs589247-rs669838-rs636173
C-T-C-G	0.454	0.412	1.18 (0.99-1.40)	3.402	0.065
T-C-A-A	0.243	0.259	0.92 (0.75-1.13)	0.688	0.407
C-C-A-A	0.293	0.316	0.90 (0.74-1.09)	1.162	0.281
rs1250171-rs613993
C-A	0.210	0.227	0.91 (0.73-1.12)	0.789	0.374
T-G	0.780	0.771	1.06 (0.85-1.30)	0.243	0.622

OR, odds ratio; 95%CI, 95% confidence interval.

P values were calculated from unconditional logistic regression analysis.