| Patient reception site at PPCI hospital – no./total no. (%) |
| Previously admitted to the hospital |
6/907 (0.7) |
8/89 (9.0) |
<0.001 |
| Emergency room |
192/907 (21.2) |
23/89 (25.8) |
| Critical care unit |
65/907 (7.2) |
8/89 (9.0) |
| Direct to cath lab |
640/907 (70.6) |
50/89 (56.2) |
| Killip class on cath lab arrival – no./total no. (%) |
| I |
750/895 (83.8) |
62/88 (70.5) |
0.011 |
| II |
68/895 (7.6) |
10/88 (11.4) |
| III |
16/895 (1.8) |
4/88 (4.6) |
| IV |
61/895 (6.8) |
12/88 (13.6) |
| Coronary artery disease extent – no./total no. (%) |
| 1-vessel disease |
554/919 (60.3) |
55/91 (60.4) |
0.67 |
| 2-vessel disease |
259/919 (28.2) |
22/91 (24.2) |
| 3-vessel disease |
82/919 (8.9) |
12/91 (13.2) |
| Radial access |
821/905 (90.7) |
77/87 (88.5) |
0.50 |
| Location of culprit vessel – no./total no. (%) |
| Left main coronary artery |
15/919 (1.6) |
1/91 (1.1) |
0.70 |
| Left anterior descending |
414/919 (45.1) |
45/91 (49.5) |
0.42 |
| Left circumflex |
150/919 (16.3) |
12/91 (13.2) |
0.44 |
| Right coronary artery |
328/919 (35.7) |
35/91 (38.5) |
0.59 |
| Bypass graft |
3/919 (0.3) |
0/91 (0) |
0.59 |
| Basal TIMI flow – no./total no. (%) |
| 0 |
654/899 (72.8) |
62/89 (69.6) |
0.18 |
| 1 |
55/899 (6.1) |
10/89 (11.2) |
| 2 |
85/899 (9.6) |
5/89 (5.6) |
| 3 |
105/899 (11.7) |
12/89 (13.5) |
| Final TIMI flow – no./total no. (%) |
| 0 |
16/903 (1.7) |
1/88 (1.7) |
0.66 |
| 1 |
9/903 (1.0) |
2/88 (1.1) |
| 2 |
41/903 (4.5) |
5/88 (5.7) |
| 3 |
837/903 (92.7) |
80/88 (90.9) |
| PCI characteristics – no./total no. (%) |
| Balloon angioplasty |
378/919 (41.1) |
33/91 (36.3) |
0.37 |
| Mechanical thrombectomy |
308/919 (33.5) |
40/91 (44.0) |
0.046 |
| Bare metal stent implantation |
26/919 (2.8) |
4/91 (4.4) |
0.40 |
| Drug-eluting stent implantation |
803/919 (87.4) |
73/91 (80.2) |
0.06 |
| Pharmacological treatment during coronary angiography– no./total no. (%) |
| Aspirin |
874/919 (95.1) |
80/91 (87.9) |
0.004 |
| P2Y12 inhibitors |
863/919 (93.9) |
77/91 (84.6) |
0.001 |
| Clopidogrel |
282/919 (30.7) |
32/91 (35.2) |
| Ticagrelor |
448/919 (47.9) |
36/91 (39.6) |
| Prasugrel |
159/919 (17.3) |
11/91 (12.1) |
| IIb/IIIa inhibitors |
103/919 (11.2) |
19/91 (20.9) |
0.007 |
| Unfractionated heparin |
708/919 (77.0) |
64/91 (70.3) |
0.17 |
| Low molecular weight heparin |
40/919 (4.4) |
5/91 (5.5) |
0.61 |
| Bivalirudin |
5/919 (0.5) |
0/91 (0) |
0.48 |
| Cangrelor |
7/919 (0.8) |
1/91 (1.1) |
0.73 |
| Decision after coronary angiography – no./total no. (%) |
| PPCI |
861/908 (94.8) |
87/89 (97.8) |
0.60 |
| Rescue PCI |
14/908 (1.5) |
1/89 (1.1) |
| Routine early PCI after fibrinolysis |
12/908 (1.3) |
0/89 (0) |
| Coronary angiography without PCI |
21/908 (2.3) |
1/89 (1.1) |
| PCI: percutaneous coronary intervention; PPCI primary percutaneous coronary intervention |
