Table 2. Additional baseline and procedural characteristics collected only for PCI in 2017 and 2018.
| Patients, n | 576,679 | |
|---|---|---|
| Grading of angina before PCI in chronic coronary syndrome, % (n)a | CCS class 0 | 19.8 (56,665) |
| CCS class I | 11.8 (33,668) | |
| CCS class II | 44.8 (128,116) | |
| CCS class III | 23.6 (67,702) | |
| Grading of heart failure symptoms before PCI, % (n) | None | 31.6 (182,087) |
| NYHA I | 12.0 (69,179) | |
| NYHA II | 33.4 (192,687) | |
| NYHA III | 17.3 (99,595) | |
| NYHA IV | 5.7 (33,131) | |
| Specific lesion characteristics, % (n) | None | 68.2 (393,640) |
| PCI of occluded vesselb | 17.9 (103,507) | |
| PCI of ostial lesion | 6.9 (39,520) | |
| PCI of in-stent stenosis | 6.6 (37,783) | |
| PCI of last remaining vessel | 0.4 (2,229) | |
| Location of PCI, % (n) | LAD | 36.4 (209,955) |
| RCA | 29.1 (167,839) | |
| LCx | 18.8 (108,584) | |
| Left main isolated | 1.0 (5,912) | |
| Bypass graft | 2.6 (14,768) | |
| Multiple vessel PCI | 12.1 (69,621) | |
| Values are % (n). aSpecified in n=286,151 patients. bIncludes PCI of acute and chronic coronary occlusions. CCS: Canadian Cardiovascular Society; LAD: left anterior descending coronary artery; LCx: left circumflex coronary artery; NYHA: New York Heart Association; PCI: percutaneous coronary intervention; RCA: right coronary artery | ||