TABLE 2.
Angiographic characteristics and procedural characteristics of included patients before and after PSM.
| Characteristic | Before PSM analysis |
After PSM analysis |
||||
| Staged PCI (n = 154) | Culprit-only PCI (n = 463) | P-value | Staged PCI (n = 80) | Culprit-only PCI (n = 80) | P-value | |
| Thrombus aspiration, no. (%) | 56 (36.4) | 180 (38.9) | 0.578 | 21 (26.3) | 33 (41.3) | 0.081 |
| IABP, no. (%) | 2 (1.3) | 47 (10.2) | <0.001 | 1 (1.3) | 3 (3.8) | 0.625 |
| Culprit vessel, no./total culprit vessels (%) | 0.007 | 0.489 | ||||
| Left anterior descending | 39/156 (25.0) | 179/470 (38.1) | 22 (27.5) | 24 (30.0) | ||
| Left circumflex | 24/156 (15.4) | 48/470 (10.2) | 11 (13.8) | 14 (17.5) | ||
| Right | 93/156 (59.6) | 243/470 (51.7) | 47 (58.8) | 42 (52.5) | ||
| No. of narrowed coronary arteries | 0.582 | 0.871 | ||||
| 2 | 96 (62.3) | 300 (64.8) | 48 (60.0) | 50 (62.5) | ||
| 3 | 58 (37.7) | 163 (35.2) | 32 (40.0) | 30 (37.5) | ||
| Non-culprit vessel, no./total non-culprit vessels (%) | 0.019 | 0.657 | ||||
| Left anterior descending | 94/212 (44.3) | 210/625 (33.6) | 42/112 (36.8) | 47/110 (42.7) | ||
| Left circumflex | 79/212 (37.3) | 281/625 (45.0) | 46/112 (41.1) | 39/110 (35.5) | ||
| Right coronary artery | 39/212 (18.4) | 134/625 (21.4) | 24/112 (21.4) | 24/110 (21.8) | ||
| Non-culprit vessel diameter stenosis, no./total non-culprit vessels (%) | <0.001 | 0.012 | ||||
| 70−79% | 3/212 (1.4) | 43/625 (6.9) | 1/112 (0.9) | 5/110 (4.5) | ||
| 80−89% | 54/212 (25.5) | 202/625 (32.3) | 34/112 (30.4) | 36/110 (32.7) | ||
| 90−99% | 136/212 (64.2) | 275/625 (44.0) | 68/112 (60.7) | 48/110 (43.6) | ||
| 100% | 19/212 (9.0) | 105/625 (16.8) | 9/112 (8.0) | 21/110 (19.1) | ||
| Type of PCI, no. (%) | 0.002 | 1.000 | ||||
| Drug-eluting stent | 152 (98.7) | 424 (91.6) | 78 (97.5) | 79 (98.8) | ||
| PTCA | 2 (1.3) | 39 (8.4) | 2 (2.5) | 1 (1.3) | ||
| PCI access, no. (%) | 0.348 | 0.359 | ||||
| Femoral artery | 124 (80.5) | 388 (83.8) | 67 (83.8) | 72 (90.0) | ||
| Radial artery | 30 (19.5) | 75 (16.2) | 13 (16.3) | 8 (10.0) | ||
| Minimum stent diameter, mm | 2.8 (2.5−3.0) | 3.0 (2.8−3.5) | <0.001 | 2.8 (2.5−3.0) | 2.8 (2.5−3.0) | 0.124 |
| Total stent length, mm | 74.4 ± 27.0 | 37.7 ± 19.4 | <0.001 | 72.4 ± 28.0 | 40.2 ± 21.8 | <0.001 |
PSM, propensity score matching; PCI, percutaneous coronary intervention; IABP, intra-aortic balloon pump; PTCA, percutaneous transluminal coronary angioplasty.