Table 3. Angiographic characteristics.
| All, n = 8,342 | Quartile 1, n = 2,046 | Quartile 2, n = 1,899 | Quartile 3, n = 2,090 | Quartile 4, n = 2,307 | p | |
|---|---|---|---|---|---|---|
| Vessel disease | 0.482 | |||||
| - 1VD, n (%) | 4292 (60) | 1130 (62) | 1149 (59) | 1066 (61) | 947 (59) | |
| - 2VD, n (%) | 1270 (18) | 313 (17) | 375 (19) | 302 (17) | 280 (18) | |
| - 3VD, n (%) | 1587 (22) | 393 (21) | 434 (22) | 394 (22) | 366 (23) | |
| Chronic total occlusion, n (%) | 1203 (17) | 287 (16) | 338 (17) | 308 (18) | 270 (17) | 0.441 |
| Number of procedures | 0.032 ‡¶# | |||||
| - one, n (%) | 6,583 (79) | 1,599 (78) | 1,486 (78) | 1,620 (78) | 1,878 (81) | |
| - two, n (%) | 1,490 (18) | 372 (18) | 349 (18) | 399 (19) | 370 (16) | |
| - > two, n (%) | 269 (3) | 75 (4) | 64 (4) | 71 (3) | 59 (3) | |
| Patients treated with | ||||||
| - drug-eluting stent, n (%) | 1699 (80) | 347 (84) | 470 (79) | 465 (80) | 417 (78) | 0,142 |
| - bare-metal stent, n (%) | 427 (20) | 67 (16) | 126 (21) | 117 (20) | 117 (22) | 0,142 |
| Troponin T, ng/ml | ||||||
| - before PCI (n), Median (IQR) | (144), 0.03 (0.01/0.05) | (32), 0.02 (0/0.06) | (31), 0.02 (0/0.05) | (32), 0.03 (0.02/0.04) | (49), 0.04 (0.01/0.05) | 0.771 |
| - day 1 after PCI (n), Median (IQR) | (144), 0.03 (0.01/ 0.06) | (32), 0.04 (0.01/0.07) | (31), 0.03 (0.02/0.05) | (32), 0.03 (0.02/0.05) | (49), 0.03 (0.01/0.06) | 0.277 |
| Creatine kinase, U/l | ||||||
| - Before PCI (n), Median (IQR) | (1169), 79 (52/115) | (276), 84 (56/119) | (280), 87 (58/117) | (296), 83 (52/117) | (317), 68 (46/105) | 0.560 |
| - Day 1 after PCI (n), Median (IQR) | (1161), 66 (46/98) | (276), 69 (48/101) | (280), 68 (49/107) | (296), 69 (45/97) | (317), 62 (43/91) | 0.878 |
| Re-catheterizations | 0.291 | |||||
| - < 30 days, n (%) | 610 (7) | 130 (6) | 125 (7) | 166 (8) | 189 (8) | |
| - 30days– 6 months, n (%) | 387 (5) | 102 (5) | 84 (4) | 111 (5) | 90 (4) | |
| - 6 months– 1 year, n (%) | 258 (3) | 79 (4) | 62 (3) | 59 (3) | 58 (3) | |
| - > 1 year, n (%) | 504 (6) | 136 (7) | 142 (8) | 134 (6) | 92 (4) |
Significant differences according to quartiles:
‡ = Q1 vs. Q4,
¶ = Q2 vs. Q4,
# = Q3 vs. Q4.
Quartile 1 = <58 years;
Quartile 2 = 58–65 years;
Quartile 3 = 66–73 years;
Quartile 4 = >73 years.
Abbreviations:
p = p-value;
VD = vessel disease.