Table 2.

Linear regression analysis of HbA_1c and coronary artery stenosis in patients with or without DM

Group	R square	Coefficient	95% CI	SEM	P value
Non DM	0.012	0.313	0.002 to 0.623	0.158	0.049
DM	0.025	0.149	0.009 to 0.289	0.071	0.037

HbA _1c hemoglobin A_1c, DM diabetes mellitus, CI confidence interval, SEM standard error of measurement