Table 2. Characteristics of the propensity score-matched patients according to the presence of diabetes mellitus.

	Angina (n = 8,157 pairs)					AMI (n = 4,266 pairs)
Characteristics	DM (n = 8,157)	Non-DM (n = 8,157)			p value	DM (n = 4,266)	Non-DM (n = 4,266)	p value
Age, years	66.6 ± 10.5	66.8 ± 11.4			0.860	65.8 ± 11.7	66.1 ± 12.5	0.360
Gender (male), no. (%)	5,080 (62.3%)	5,109 (62.6%)			0.327	2,902 (68.0%)	2,895 (67.9%)	0.570
Comorbidities, no. (%)
Hyperlipidemia	4,702 (57.6%)	4,410 (54.1%)			0.426	1,857 (43.5%)	1,661 (38.9%)	0.896
Hypertension	6,142 (75.3%)	5,852 (71.7%)			0.131	2,749 (64.4%)	2,609 (61.2%)	0.244
Congestive heart failure	745 (9.1%)	694 (8.5%)			0.164	214 (5.0%)	197 (4.6%)	0.155
Arrhythmia	839 (10.3%)	844 (10.3%)			0.759	197 (4.6%)	199 (4.7%)	0.718
Valvular disease	47 (0.6%)	47 (0.6%)			0.606	11 (0.3%)	13 (0.3%)	0.540
Peripheral vascular disease	1,197 (14.7%)	1,130 (13.9%)			0.297	546 (12.8%)	484 (11.3%)	0.712
Cerebrovascular disease	1,484 (18.2%)	1,428 (17.5%)			0.788	500 (11.7%)	509 (11.9%)	0.094
Chronic pulmonary disease	1,647 (20.2%)	1,680 (20.6%)			0.032	697 (16.3%)	747 (17.5%)	0.927
Moderate to severe liver disease	7 (0.1%)	6 (0.1%)			0.096	4 (0.1%)	4 (0.1%)	0.724
Renal disease	500 (6.1%)	339 (4.2%)			0.183	165 (3.9%)	108 (2.5%)	0.478
Cancer	302 (3.7%)	302 (3.7%)			0.478	126 (3.0%)	108 (2.5%)	0.460
Rheumatic disease	21 (0.3%)	22 (0.3%)			0.760	9 (0.2%)	14 (0.3%)	0.677
Charlson comorbidity index	1.96 ± 1.14	1.87 ± 1.02			0.256	1.73 ± 1.01	1.68 ± 0.92	0.663
Type of treatment, no. (%)
Drug-eluting stents	7,583 (93.0%)	7,614 (93.3%)			0.711	3,959 (92.8%)	3,962 (92.9%)	0.502
Bare metal stents	104 (1.3%)	99 (1.2%)			0.160	65 (1.5%)	67 (1.6%)	0.027
Number of drug-eluting stents	1.35 ± 0.74	1.33 ± 0.71			0.156	1.33 ± 0.70	1.31 ± 0.67	0.549

Data were expressed as n (%) and mean ± SD.

ACEI = angiotensin-converting enzyme inhibitor; AMI = acute myocardial infarction; ARB = angiotensin receptor blocker; DM = diabetes mellitus