Table 2 Angiographic and procedural characteristics stratified according to SS tertile
Variable | SSlow ≤ 8 (177) | 8 < SSmid < 18 (177) | 18 ≤ SShigh (193) | Total | p value |
|---|---|---|---|---|---|
Diseased lesions | |||||
Number of disease lesions | 1.5 ± 0.7 | 2.1 ± 1.0 | 3.3 ± 1.3 | 2.3 ± 1.6 | < 0.001 |
1-Vessel disease | 131 (74.0%) | 46 (26.0%) | 5 (2.6%) | 182 (33.3%) | < 0.001 |
2-Vessel disease | 40 (22.6%) | 86 (48.6%) | 59 (30.6%) | 185 (33.8%) | < 0.001 |
3-Vessel disease | 6 (3.4%) | 45 (25.4%) | 129 (66.8%) | 180 (32.9%) | < 0.001 |
Lesion location | |||||
Left main stem | 0 (0.0%) | 3 (1.7%) | 33 (17.1%) | 36 (6.6%) | < 0.001 |
Left anterior artery | 95 (53.7%) | 162 (91.5%) | 185 (95.9%) | 442 (80.8%) | < 0.001 |
Circumflex artery | 53 (29.9%) | 81 (45.8%) | 150 (77.7%) | 284 (51.9%) | < 0.001 |
Right artery | 81 (45.8%) | 107 (60.5%) | 157 (81.3%) | 345 (63.1%) | < 0.001 |
Lesion characteristics | |||||
Bifurcated lesion | 31 (17.5%) | 99 (55.9%) | 150 (77.7%) | 280 (51.2%) | < 0.001 |
Trifurcated lesion | 0 (0.0%) | 4 (2.3%) | 17 (8.8%) | 21 (3.8%) | < 0.001 |
Ostial lesion | 8 (4.5%) | 6 (3.4%) | 10 (5.2%) | 24 (4.4%) | 0.669 |
Lesion > 20 mm | 11 (6.2%) | 48 (27.1%) | 108 (56.0%) | 167 (30.5%) | < 0.0001 |
Lesion with thrombus | 1 (0.6%) | 1 (0.6%) | 7 (3.6%) | 9 (1.6%) | < 0.0001 |
Calcified lesion | 3 (1.7%) | 19 (10.7%) | 53 (27.5%) | 75 (13.7%) | < 0.0001 |
Total occlusion | 1 (0.6%) | 14 (7.9%) | 64 (33.2%) | 79 (14.4%) | < 0.0001 |
Chronic total occlusion | 0 (0.0%) | 3 (1.7%) | 34 (17.6%) | 37 (6.8%) | < 0.0001 |
Treated coronary | |||||
3-Vessel intervention | 1 (0.6%) | 14 (7.9%) | 39 (20.2%) | 54 (9.9%) | < 0.0001 |
Left main stem | 0 (0.0%) | 2 (1.1%) | 0 (0.0%) | 2 (0.4%) | < 0.0001 |
Left anterior descending | 84 (47.5%) | 125 (70.6%) | 91 (47.2%) | 300 (54.8%) | < 0.0001 |
Circumflex | 41 (23.2%) | 34 (19.2%) | 43 (22.3%) | 118 (21.6%) | 0.636 |
Right | 68 (38.4%) | 70 (39.5%) | 84 (43.5%) | 222 (40.6%) | 0.573 |
Procedural characteristics | |||||
Number of implanted stents | 1.6 ± 0.9 | 2.1 ± 1.0 | 3.0 ± 1.3 | 2.2 ± 1.5 | < 0.0001 |
Total stent length/patient (mm) | 29.3 ± 16.8 | 41.1 ± 28.0 | 64.3 ± 30.7 | 66.3 ± 32.5 | < 0.0001 |
Maximal pressure of stent deployment | 13.8 ± 2.6 | 13.0 ± 2.8 | 14.8 ± 2.7 | 13.8 ± 1.7 | < 0.0001 |
Patients with complete revascularization | 147 (83.1%) | 91 (51.4%) | 25 (13%) | 263 (48.1%) | < 0.0001 |
Use of glycoprotein IIb/IIIa inhibitors | 0 (0.0%) | 5 (2.8%) | 16 (8.3%) | 21 (4.8%) | < 0.0001 |
Post-procedural hospital stay, days | 10.0 ± 5.9 | 9.6 ± 5.0 | 12.4 ± 9.6 | 10.6 ± 4.6 | 0.001 |
Intravascular imaging | 0 (0.0%) | 1 (0.2%) | 7 (1.3%) | 8 (1.5%) | < 0.0001 |