Supplementary Table 1.
Baseline characteristics of all patients after PCI according to CrSS
| Characteristics | CrSS = 0 (n = 5375) | 0< CrSS ≤3.5 (n = 1667) | 3.5< CrSS ≤7.9 (n = 1641) | CrSS >7.9 (n = 1661) | Statistical values | P for trend |
|---|---|---|---|---|---|---|
| Age (years) | 57 ± 10 | 59 ± 10 | 59 ± 10 | 60 ± 10 | 141.01* | <0.01 |
| Male | 4140 (77.0) | 1306 (78.3) | 1290 (78.6) | 1232 (74.2) | 11.61† | <0.01 |
| BMI (kg/m2) | 25.9 ± 3.2 | 26.0 ± 3.2 | 25.9 ± 3.1 | 26.0 ± 3.1 | 1.76* | 0.49 |
| eGFR <90 ml/min | 1871 (34.8) | 542 (32.5) | 637 (38.8) | 895 (53.9) | 222.74† | <0.01 |
| LVEF <40 ml/min | 17 (0.3) | 6 (0.3) | 7 (0.5) | 9 (0.6) | 40.57† | <0.01 |
| Clinical history | ||||||
| Diabetes mellitus | 1398 (26.0) | 582 (34.9) | 538 (32.8) | 590 (35.5) | 89.99† | <0.01 |
| Hypertension | 3321 (61.8) | 1110 (66.6) | 1055 (64.3) | 1155 (69.5) | 38.34† | <0.01 |
| Hyperlipidemia | 3545 (66.0) | 1172 (70.3) | 1120 (68.3) | 1105 (66.5) | 12.19† | <0.01 |
| Previous stroke | 491 (9.1) | 174 (10.4) | 191 (11.6) | 253 (15.2) | 51.02† | <0.01 |
| Peripheral vascular disease | 121 (2.3) | 41 (2.5) | 49 (3.0) | 59 (3.6) | 9.58† | 0.02 |
| COPD | 114 (2.1) | 37 (2.2) | 35 (2.1) | 50 (3.0) | 4.77† | 0.19 |
| Family history of CAD | 1298 (24.2) | 440 (26.4) | 410 (25.0) | 404 (24.3) | 3.60† | 0.31 |
| Current smoker | 3057 (56.9) | 979 (58.7) | 956 (58.3) | 896 (53.9) | 9.42† | 0.02 |
| Previous MI | 884 (16.4) | 279 (16.7) | 347 (21.1) | 411 (24.7) | 68.79† | <0.001 |
| Previous PCI | 1203 (22.4) | 399 (23.9) | 439 (26.8) | 475 (28.6) | 32.89† | <0.001 |
| Clinical presentation | ||||||
| ACS | 3334 (62.0) | 983 (59.0) | 941 (57.3) | 979 (58.9) | 12.68† | <0.01 |
| Stable angina | 1620 (30.1) | 546 (32.8) | 559 (34.1) | 534 (32.1) | ||
| Silent ischemia | 421 (7.8) | 138 (8.3) | 141 (8.6) | 148 (8.9) | ||
| Angiographic and procedural characteristics | ||||||
| CAD extension | ||||||
| LM disease | 131 (2.4) | 37 (2.2) | 50 (3.0) | 38 (2.3) | 2.95† | 0.40 |
| 3-vessel disease | 1228 (22.8) | 815 (48.9) | 989 (60.3) | 1184 (71.3) | 1659.30† | <0.01 |
| Type of stents | ||||||
| BMS | 27 (0.5) | 10 (0.6) | 6 (0.4) | 14 (0.8) | 3.92† | 0.27 |
| DES | 5198 (96.7) | 1602 (96.1) | 1537 (93.7) | 1434 (86.3) | 272.04† | <0.01 |
| PTCA | 104 (1.9) | 33 (2.0) | 41 (2.5) | 52 (3.1) | 9.37† | 0.02 |
| IVUS use | 302 (5.6) | 89 (5.3) | 99 (6.0) | 90 (5.4) | 0.90† | 0.83 |
| IABP use | 57 (1.1) | 15 (0.9) | 17 (1.0) | 50 (3.0) | 41.70† | <0.01 |
| Procedural success | 5329 (99.1) | 1645 (98.7) | 1584 (96.5) | 1500 (90.3) | 385.39† | <0.01 |
| Baseline SYNTAX score | 9.0 ± 6.5 | 11.3 ± 6.6 | 14.2 ± 6.3 | 20.8 ± 7.5 | 1381.2* | <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; CrSS: Clinical residual SYNTAX score; SD: Standard deviation; LM: Left main.