| Variables | With angiographic follow-up | ISR | No ISR | P value |
| (n = 245) | (n = 15) | (n = 230) | ||
| Demographic characteristics | P value | |||
| Age (yrs) | 52.9 ± 10.4 | 53.7 ± 10.1 | 52.7 ± 10.7 | 0.59 |
| Male | 125 (51.01) | 71 (473.33) | 196 (85.2) | 0.49 |
| Female | 120 (48.9) | 55 (366.6) | 175 (76.08) | 0.51 |
| Cardiac or coexisting conditions | ||||
| Diabetes mellitus | 123 (50.2) | 14 (93.3) | 109 (47.39) | 0.001 |
| Hypertension | 142 (57.9) | 9 (60) | 133 (57.82) | 0.852 |
| Hyperlipidemia | 109 (44.48) | 8 (53.3) | 101 (43.91) | 0.461 |
| Smoking (current) | 99 (40.4) | 6 (40) | 93 (40.43) | 0.921 |
| Renal failure | 2 (0.8) | 0 (0) | 2 (0.86) | 0.717 |
| Family history of CAD | 114 (46.5) | 7 (46.66) | 107 (46.52) | 0.899 |
| Previous PCI or CABG | 29 (11.83) | 3 (20) | 26 (11.30) | 0.312 |
| Ejection fraction ˃ 55% | 198 (80.8) | 6 (40) | 192 (83.47) | 0.001 |
| Ejection fraction < 45% | 42 (17.14) | 5 (33.33) | 37 (16.08) | 0.083 |
| STEMI | 14 (5.7) | 1 (6.66) | 13 (5.65) | 0.962 |
| Unstable angina | 112 (45.7) | 7 (46.66) | 105 (45.06) | 0.59 |
| Chronic stable angina | 48.57 | 7 (46.66) | 112 (48.69) | 0.53 |