Table 1.
Baseline characteristics
| Women n (%) N = 229 (29) |
Men n (%) N = 558 (71) |
p-value | |
|---|---|---|---|
| Age, years (mean ± SD) | 68 ± 14 | 61 ± 12 | <0.001 |
| Intervention hospital | |||
| AUMC, AMC | 36 (15.7) | 79 (14.2) | |
| AUMC, VUmc | 98 (42.8) | 255 (45.7) | |
| OLVG | 95 (41.5) | 224 (40.1) | |
| Risk factors | |||
| Hypertension | 101 (45.7) | 178 (33.6) | 0.002 |
| Diabetes mellitus | 39 (17.6) | 66 (12.5) | 0.065 |
| Hypercholesterolaemia | 56 (25.9) | 110 (21.0) | 0.144 |
| Family history of cardiovascular disease | 71 (33.0) | 167 (32.4) | 0.862 |
| Current smoker | 88 (41.1) | 258 (49.3) | 0.043 |
| Medical history | |||
| Previous MI | 30 (13.6) | 79 (13.7) | 0.977 |
| Previous PCI | 33 (14.4) | 77 (14.2) | 0.850 |
| Previous CABG | 7 (3.1) | 13 (2.4) | 0.572 |
| Previous CVA | 15 (6.8) | 20 (3.7) | 0.063 |
| Previous PVD | 8 (3.7) | 20 (4.0) | 0.899 |
| Previous CKFa | 6 (2.8) | 9 (1.7) | 0.343 |
| Previous CHF | 6 (2.9) | 5 (1.0) | 0.057 |
| Pre-procedural characteristics | |||
| OHCA | 19 (8.3) | 65 (11.7) | 0.160 |
| Acetylsalicylic acid administered | 213 (93.0) | 525 (94.6) | 0.392 |
| Ticagrelor administered | 189 (82.5) | 459 (82.3) | 0.914 |
| Heparin administered | 223 (97.4) | 529 (95.5) | 0.217 |
| Procedural characteristics | |||
| Time of procedure | |||
| – Office hours (08:00–17:00 h) | 93 (49.7) | 239 (50.9) | 0.796 |
| – Evening hours (17:00–24:00 h) | 44 (23.5) | 104 (22.1) | 0.698 |
| – Night time (00:00–08:00 h) | 50 (26.7) | 127 (27.0) | 0.941 |
| Access | 0.068 | ||
| – Radial | 192 (86.1) | 482 (90.6) | |
| – Femoral | 31 (13.9) | 50 (9.4) | |
| Number of lesions | 0.002 | ||
| – Zero (n = 1) or one | 155 (69.2) | 311 (57.2) | |
| – Two or more | 69 (30.8) | 233 (42.8) | |
| Culprit lesion | |||
| – LM | 2 (0.9) | 12 (2.2) | 0.372 |
| – LAD | 82 (36.9) | 438 (44.2) | 0.076 |
| – RCX | 22 (9.9) | 84 (15.6) | 0.040 |
| – RCA | 116 (52.3) | 204 (37.8) | 0.000 |
| – Graft | 0 (0) | 1 (0.2) | 0.999 |
| Number of stents | 0.586 | ||
| – Zero (n = 34) or one | 152 (67.9) | 380 (69.9) | |
| – Two or more | 72 (32.1) | 164 (30.1) | |
| DES used | 202 (94.4) | 501 (96.2) | 0.286 |
| Hypotension | 16 (7.2) | 29 (5.4) | 0.321 |
| TIMI grade flow pre-PCI | 0.542 | ||
| – TIMI 0 | 119 (54.3) | 311 (57.6) | |
| – TIMI 1 | 18 (8.2) | 48 (8.9) | |
| – TIMI 2 | 28 (12.8) | 43 (8.0) | |
| – TIMI 3 | 54 (24.7) | 138 (25.5) | |
| TIMI grade flow post-PCI | 0.942 | ||
| – TIMI 0 | 3 (1.4) | 6 (1.1) | |
| – TIMI 1 | 1 (0.4) | 6 (1.1) | |
| – TIMI 2 | 15 (6.8) | 33 (6.2) | |
| – TIMI 3 | 201 (91.4) | 488 (91.6) | |
Data presented as n (%) if not otherwise indicated
AUMC, AMC Amsterdam University Medical Centres located at Academic Medical Centre, OLVG Onze Lieve Vrouwen Gasthuis, AUMC, VUmc Amsterdam University Medical Centres located at Vrije Universiteit, N number of patients, MI myocardial infarction, PCI percutaneous coronary intervention, CABG coronary artery bypass graft, CVA cerebrovascular accident, PVD peripheral vascular disease, CKF chronic kidney failure, CHF chronic heart failure, OHCA out-of-hospital cardiac arrest, LM left main artery, LAD left anterior descending artery, RCX right circumflex artery, RCA right coronary artery, DES drug-eluting stent, TIMI thrombolysis in myocardial infarction
aEstimated glomerular filtration rate <50 ml/min per 1.73 m2