Supplementary Table 2.
Baseline characteristics of all patients after PCI according to SRI
| Characteristics | SRI = 100 (n = 5375) | 100> SRI ≥66.7 (n = 1610) | 66.7> SRI ≥38.9 (n = 1702) | SRI <38.9 (n = 1657) | Statistical values | P for trend |
|---|---|---|---|---|---|---|
| Age (years) | 57 ± 10 | 59 ± 10 | 59 ± 10 | 60 ± 10 | 32.2* | <0.01 |
| Male | 4140 (77.0) | 1237 (76.8) | 1305 (76.7) | 1286 (77.6) | 0.47† | 0.92 |
| BMI (kg/m2) | 25.9 ± 3.2 | 26.0 ± 3.2 | 25.9 ± 3.1 | 26.0 ± 3.1 | 8.76* | 0.46 |
| eGFR <90 ml/min | 1871 (34.8) | 642 (39.9) | 713 (41.9) | 719 (43.4) | 57.14† | <0.01 |
| LVEF <40 ml/min | 76 (1.4) | 45 (2.8) | 25 (1.5) | 35 (2.1) | 6.45† | 0.09 |
| Clinical history | ||||||
| Diabetes mellitus | 1398 (26.0) | 571 (35.5) | 578 (34.0) | 561 (33.9) | 88.01† | <0.01 |
| Hypertension | 3321 (61.8) | 1097 (68.1) | 1125 (66.1) | 1098 (66.3) | 30.22† | <0.01 |
| Hyperlipidemia | 3545 (66.0) | 1106 (68.7) | 1161 (68.2) | 1130 (68.2) | 6.91† | 0.07 |
| Previous stroke | 491 (9.1) | 185 (11.5) | 224 (13.2) | 209 (12.6) | 31.90† | <0.01 |
| Peripheral vascular disease | 121 (2.3) | 42 (2.6) | 54 (3.2) | 53 (3.2) | 7.10† | 0.07 |
| COPD | 114 (2.1) | 33 (2.0) | 42 (2.5) | 47 (2.8) | 3.56† | 0.31 |
| Family history of CAD | 1298 (24.2) | 403 (25.0) | 419 (24.6) | 432 (26.1) | 2.59† | 0.46 |
| Current Smoker | 3057 (56.9) | 882 (54.8) | 978 (57.5) | 971 (58.6) | 5.11† | 0.16 |
| Previous MI | 884 (16.4) | 321 (19.9) | 335 (19.7) | 381 (23.0) | 40.85† | <0.01 |
| Previous PCI | 1203 (22.4) | 358 (22.2) | 452 (26.6) | 503 (30.4) | 52.19† | <0.01 |
| Clinical presentation | ||||||
| ACS | 3334 (62.0) | 940 (58.4) | 1002 (58.9) | 961 (58.0) | 13.08† | <0.01 |
| Stable angina | 1620 (30.1) | 539 (33.5) | 562 (33.0) | 538 (32.5) | ||
| Silent ischemia | 421 (7.8) | 131 (8.1) | 138 (8.1) | 158 (9.5) | ||
| Angiographic and procedural characteristics | ||||||
| CAD extension | ||||||
| LM disease | 131 (2.4) | 86 (5.3) | 28 (1.6) | 11 (0.7) | 82.21† | <0.01 |
| 3-vessel disease | 1228 (22.8) | 890 (55.3) | 1037 (60.9) | 1061 (64.0) | 1513.11† | <0.01 |
| Type of stents | ||||||
| BMS | 27 (0.5) | 5 (0.3) | 10 (0.6) | 15 (0.9) | 0.12 | |
| DES | 5198 (96.7) | 1558 (96.8) | 1626 (95.5) | 1389 (83.8) | <0.01 | |
| PTCA | 104 (1.9) | 20 (1.2) | 38 (2.2) | 68 (4.1) | 5.77† | 0.12 |
| IVUS use | 302 (5.6) | 146 (9.1) | 75 (4.4) | 57 (3.4) | 430.08† | <0.01 |
| IABP use | 57 (1.1) | 37 (2.3) | 17 (1.0) | 28 (1.7) | 36.13† | <0.01 |
| Procedural success | 5329 (99.1) | 1583 (98.3) | 1674 (98.4) | 1472 (88.8) | 55.78† | <0.01 |
| Baseline SYNTAX score | 9.0 ± 6.5 | 16.5 ± 7.6 | 13.7 ± 7.7 | 16.1 ± 8.1 | 17.34† | <0.01 |
The data are shown as mean ± SD or n (%). *F value; †Chi-square value. BMI: Body mass index; eGFR: Estimated glomerular filtration rate; LVEF: Left ventricular ejection fraction; COPD: Chronic obstructive pulmonary disease; CAD: Coronary artery disease; MI: Myocardial infarction; PCI: Percutaneous coronary intervention; ACS: Acute coronary syndrome; BMS: Bare metal stent; DES: Drug-eluting stent; PTCA: Percutaneous transluminal coronary angioplasty; IVUS: Intravenous ultrasound; IABP: Intra-aortic balloon pump; SRI: SYNTAX revascularization index; SD: Standard deviation; LM: Left main.