Coronary intervention patient demographics
| n=101 | |
| Age (year), mean±SD | 62.29±10.12 |
| Male sex, n (%) | 84 (83.2) |
| Black, Asian, minority ethnic, n (%) | 58 (57.4) |
| Median BMI (IQR) | 27.55 (25.14–29.39) |
| Medical history, n (%) | |
| Hypertension | 55 (54.4) |
| Hypercholesterolaemia | 62 (61.4) |
| Diabetes mellitus | 31 (30.7) |
| Smoking history | 20 (19.8) |
| Previous MI | 31 (30.7) |
| Previous PCI | 41 (40.6) |
| Previous CABG | 9 (8.9) |
| LV ejection fraction (%), mean±SD | 53.70±7.27 |
| Serum creatinine (μmol/L), mean±SD | 83.86±16.33 |
| Elective procedure, n (%) | 72 (71.3) |
| Staged procedure following ACS, n (%) | 18 (17.8) |
| Angiogram±PCI for medically managed ACS | 11 (10.9) |
| Femoral access, n (%) | 15 (14.9) |
| Procedural type, n (%) | |
| Diagnostic angiogram, n (%) | 33 (32.7) |
| Medical management—no planned interventions | 12 (36.4) |
| Workup for valve surgery | 1 (3) |
| Investigations of troponin-positive events | 3 (9.1) |
| Other surgery | 3 (9.1) |
| Planned for staged PCI | 3 (9.1) |
| Referral for CABG/MDT | 11 (33.3) |
| Diagnostic device used, no therapeutic intervention n (%) | 14 (13.9) |
| PCI, n (%) | 54 (54.5) |
| left anterior descending artery | 31 (57.4) |
| Left circumflex | 23 (42.6) |
| Right coronary artery | 12 (22.2) |
| Grafts | 2 (3.7) |
| Diagnostic device used to guide PCI | 31 (57.4) |
| Functional indices (FFR/iFR) | 5 (16.1) |
| Intravascular ultrasound | 24 (77.4) |
| Optical coherence tomography | 2 (6.4) |
| Procedural complexity | |
| Multivessel PCI | 11 (20.4) |
| Number of stents used, mean±SD | 1.47±0.79 |
| Length of segment treated (mm), mean±SD | 41.63±20.9 |
| Bifurcation, n (%) | 8 (14.8) |
| Instent restenosis, n (%) | 4 (7.4) |
| CTO, n (%) | 4 (7.4) |
| Calcium modification, n (%) | 4 (7.4) |
| Rotational atherectomy | 3 (5.6) |
| Intravascular llthotripsy | 1 (1.9) |
ACS, acute coronary syndrome; BMI, Body Mass Index; CABG, coronary artery bypass; LV, left ventricle; MDT, multidisciplinary team; MI, myocardial infarction; PCI, percutaneous coronary intervention.