Table 2.
Vessel characteristics across the three study groups.
| Angio-revascularized | FFR-revascularized | FFR-deferred | p | ||
| (n = 760) | (n = 536) | (n = 1126) | |||
| Territory, no. (%) | 0.001 | ||||
| Left main | 24 (3.2) | 29 (5.4) | 36 (3.2) | ||
| LAD | 192 (25.3) | 396 (73.9) | 524 (46.5) | ||
| LCx | 244 (32.1) | 58 (10.8) | 324 (28.8) | ||
| RCA | 300 (39.5) | 53 (9.9) | 242 821.5) | ||
| Lesion features | |||||
| Type, no. (%) | 0.001 | ||||
| De novo | 717 (94.3) | 479 (89.4) | 1054 (93.6) | ||
| In-stent restenosis | 39 (5.1) | 57 (10.6) | 71 (6.3) | ||
| Other | 4 (0.5) | 0 (0) | 1 (0.1) | ||
| Serial lesions, no. (%) | 99 (13.0) | 122 (22.8) | 132 (11.7) | 0.001 | |
| Location, no. (%) | 0.001 | ||||
| Proximal | 323 (42.5) | 355 (66.2) | 616 (54.7) | ||
| Mid | 172 (22.6) | 136 (25.4) | 321 (28.5) | ||
| Distal | 265 (34.9) | 45 (8.4) | 189 (16.8) | ||
| AHA/ACC classification, no. (%) | 0.001 | ||||
| A or B1 | 208 (27.4) | 112 (20.9) | 530 (47.1) | ||
| B2 | 289 (38.0) | 287 (53.6) | 500 (44.4) | ||
| C | 263 (34.6) | 134 (25.0) | 89 (7.9) | ||
| Severe calcification, no. (%) | 122 (16.1) | 86 (16.0) | 97 (8.6) | 0.001 | |
| Bifurcation, no. (%) | 234 (30.8) | 222 (41.4) | 345 (30.6) | 0.001 | |
| Severe tortuosity, no. (%) | 21 (2.8) | 21 (3.9) | 54 (4.8) | 0.085 | |
| Quantitative coronary analysis | |||||
| RVD, mm | 2.57 1.18 | 2.55 0.61 | 2.72 0.69 | 0.001 | |
| Diameter stenosis, % | 66.43 18.11 | 58.46 10.22 | 56.83 9.91 | 0.001 | |
| Lesion length, mm | 14.71 12.38 | 15.05 12.17 | 12.23 8.70 | 0.001 | |
| MLD, mm | 1.12 1.11 | 1.24 2.03 | 1.36 1.70 | 0.053 | |
LAD, left anterior descending; LCx, left circumflex; RCA, right coronary artery; AHA, American Heart Association; ACC, American College of Cardiology; RVD, reference vessel diameter; MLD, minimal lumen diameter; A, B1, B2 and C are parts of classification, is not an abbreviation.