Table 2. Procedural and Lesion Characteristics at Index Coronary Stenting by Ischemic and Bleeding Event Status.
Variable | By Ischemic Event Status | By Bleeding Event Status | ||||
---|---|---|---|---|---|---|
Ischemic Event (n = 478) |
No Ischemic Event (n = 11 170) |
P Value | Bleeding Event (n = 232) |
No Bleeding Event (n = 11 416) |
P Value | |
PCI indication, No. (%) | ||||||
STEMI | 66 (13.8) | 1614 (14.4) | .74 | 22 (9.5) | 1658 (14.5) | .03 |
NSTEMI | 103 (21.5) | 1793 (16.1) | <.01 | 31 (13.4) | 1865 (16.3) | .24 |
Stable angina | 148 (31.0) | 4001 (35.8) | .03 | 82 (35.3) | 4067 (35.6) | >.99 |
Unstable angina | 74 (15.5) | 1747 (15.6) | >.99 | 39 (16.8) | 1782 (15.6) | .59 |
Other | 87 (18.2) | 2015 (18.0) | .90 | 58 (25.0) | 2044 (17.9) | <.01 |
Randomization group, No. (%) | ||||||
Placebo | 283 (59.2) | 5503 (49.3) | <.01 | 92 (39.7) | 5694 (49.9) | <.01 |
Continued thienopyridine therapy | 195 (40.8) | 5667 (50.7) | 140 (60.3) | 5722 (50.1) | ||
Type of stent, No. (%) | ||||||
Nonpaclitaxel drug eluting | 249 (52.1) | 6836 (61.2) | <.01 | 150 (64.7) | 6935 (60.7) | .25 |
Paclitaxel eluting | 155 (32.4) | 2511 (22.5) | <.01 | 50 (21.6) | 2616 (22.9) | .62 |
Bare metal stent | 61 (12.8) | 1626 (14.6) | .31 | 24 (10.3) | 1663 (14.6) | .07 |
>1 Drug-eluting stent type | 13 (2.7) | 197 (1.8) | .15 | 8 (3.4) | 202 (1.8) | .06 |
No. of stents, mean (SD) | 1.5 (0.8) | 1.4 (0.7) | .05 | 1.4 (0.7) | 1.4 (0.7) | .40 |
Minimum stent diameter, mm, No. (%) | ||||||
<2.5 | 44 (9.2) | 715 (6.4) | .02 | 16 (6.9) | 743 (6.5) | .81 |
2.5-3 | 216 (45.2) | 4066 (36.4) | <.01 | 86 (37.1) | 4196 (36.8) | .92 |
>3 | 218 (45.6) | 6389 (57.2) | <.01 | 130 (56.0) | 6477 (56.7) | .83 |
Total stent length, mean (SD), mm | 28.5 (16.9) | 27.0 (16.4) | .04 | 25.9 (14.9) | 27.1 (16.5) | .25 |
Treated vessel, No./total No. (%)a | ||||||
Left main | 4/627 (0.6) | 107/14 332 (0.7) | >.99 | 2/300 (0.7) | 109/14 659 (0.7) | >.99 |
Left anterior descending | 245/627 (39.1) | 5670/14 332 (39.6) | .84 | 121/300 (40.3) | 5794/14 659 (39.5) | .81 |
Right | 192/627 (30.6) | 4907/14 332 (34.2) | .06 | 100/300 (33.3) | 4999/14 659 (34.1) | .81 |
Circumflex | 151/627 (24.1) | 3241/14 332 (22.6) | .38 | 64/300 (21.3) | 3328/14 659 (22.7) | .63 |
Venous graft | 31/627 (4.9) | 345/14 332 (2.4) | <.01 | 10/300 (3.3) | 366/14 659 (2.5) | .35 |
Arterial graft | 4/627 (0.6) | 62/14 332 (0.4) | .36 | 3/300 (1.0) | 63/14 659 (0.4) | .15 |
Modified ACC/AHA lesion class B2 or C, No./total No. (%) | 240/458 (52.4) |
5056/10 752 (47.0) | .03 | 108/229 (47.2) | 5188/10 981 (47.2) | .98 |
Abbreviations: ACC, American College of Cardiology; AHA, American Heart Association; NSTEMI, non–ST-segment elevation myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction.
In total, 14 959 lesions were treated in the study population.