| Variables | DM (n: 96) | Non-DM (n: 156) | P-value |
| Clinical data | |||
| Age (years) | 60.1 (±9.3) | 55.1 (±11.6) | 0.009 |
| Male, n (%) | 68 (70.8) | 102 (66.2) | 0.592 |
| Smoking, n (%) | 24 (25) | 64 (41.6) | 0.059 |
| Hypertension, n (%) | 42 (43.8) | 52 (33.8) | 0.262 |
| Hyperlipidemia, n (%) | 22 (22.9) | 36 (23.4) | 0.953 |
| Stable angina, n (%) | 56 (58.3) | 56 (36.4) | 0.016 |
| Unstable angina, n (%) | 16 (16.7) | 16 (10.4) | 0.307 |
| STEMI, n (%) | 20 (20.8) | 66 (42.9) | 0.012 |
| NSTEMI, n (%) | 4 (4.2) | 16 (10.4) | 0.364 |
| Left ventricular systolic EF % | |||
| EF > 55 | 40 (41.7) | 96 (62.3) | 0.015 |
| EF 55 - 50 | 18 (18.8) | 32 (20.8) |
|
| EF < 50 | 38 (39.6) | 26 (16.9) |
|
| ECG change, n (%) | 36 (37.5) | 122 (79.2) | 0.041 |
| Site of lesions and characters | |||
| LM lesion, n (%) | 10 (10.4) | 4 (2.6) | 0.012 |
| LAD lesion, n (%) | 88 (91.7) | 102 (66.2) | 0.001 |
| LCX lesion, n (%) | 52 (54.2) | 54 (35.1) | 0.036 |
| RCA lesion, n (%) | 72 (75.0) | 78 (50.6) | 0.007 |
| RCA dominant, n (%) | 80 (83.3) | 104 (67.5) | 0.075 |
| LCX dominant, n (%) | 12 (12.5) | 24 (15.6) |
|
| Codominant, n (%) | 4 (4.2) | 26 (16.9) |
|
| Ectasia, n (%) | 10 (10.4) | 6 (3.9) | 0.283 |
| Tortuosity, n (%) | 10 (10.4) | 16 (10.4) | 1.000 |
| Atherosclerotic coronary arteries n (%) | 88 (91.7) | 114 (74.0) | 0.015 |
| Normal, n (%) | 8 (8.3) | 48 (31.2) | 0.001 |
| Single vessel, n (%) | 8 (8.3) | 44 (28.6) |
|
| Two-vessels, n (%) | 32 (33.3) | 32 (20.8) |
|
| Three-vessels, n (%) | 48 (50) | 30 (19.5) |
|
| Type A, n (%) | 17 (17.7) | 75 (48.7) | 0.010 |
| Type B, n (%) | 66 (68.8) | 58 (37.7) |
|
| Type C, n (%) | 70 (72.9) | 60 (39) |
|
| Non-significant, n (%) | 3 (3.1) | 25 (16.2) | 0.032 |
| Significant, n (%) | 43 (44.8) | 51 (33.1) |
|
| Total occlusion, n (%) | 42 (43.8) | 30 (19.5) |
|