Table I.
Baseline patient and procedural characteristics
| TVR 1 y (n = 11,217) | No TVR 1 y (n = 331,956) | P | |
|---|---|---|---|
| Patient characteristics | |||
| Age (mean ± SD), y | 74.4 ± 6.5 | 74.8 ± 6.6 | <.001 |
| Female, % | 44.9 | 43.8 | .03 |
| Race/ethnicity, % | .64 | ||
| White | 87.9 | 87.8 | |
| African American | 5.0 | 4.8 | |
| Hispanic | 2.1 | 2.2 | |
| Other | 5.0 | 5.2 | |
| Weight (mean ± SD), kg | 80.9 (69.0,93.0) | 80.9 (69.2,93.1) | .60 |
| BMI (mean ± SD), kg/m2 | 28.7 ± 5.7 | 28.7 ± 5.9 | .10 |
| Smoker, % | <.001 | ||
| Current | 10.2 | 11.7 | |
| Former | 42.6 | 41.2 | |
| Hypertension, % | 85.3 | 83.2 | <.001 |
| Dyslipidemia, % | 77.2 | 75.8 | .001 |
| Cerebrovascular disease, % | 18.8 | 15.9 | <.001 |
| Peripheral artery disease, % | 16.6 | 14.9 | <.001 |
| Chronic lung disease, % | 19.0 | 19.7 | .08 |
| Diabetes mellitus, % | 38.4 | 33.6 | <.001 |
| Insulin therapy | 13.1 | 9.8 | |
| Noninsulin therapy | 25.2 | 23.8 | |
| Prior MI, % | 26.1 | 23.9 | <.001 |
| Prior PCI, % | 32.7 | 26.9 | <.001 |
| Prior CABG, % | 21.3 | 17.8 | <.001 |
| Prior CHF, % | 14.1 | 14.0 | .99 |
| Current CHF, % | 11.8 | 12.6 | .01 |
| NYHA class, % | <.001 | ||
| I | 29.8 | 32.5 | |
| II | 24.7 | 25.2 | |
| III | 31.1 | 28.9 | |
| IV | 14.4 | 13.5 | |
| GFR (mean ± SD) | 65.5 ± 25.1 | 65.9 ± 26.2 | .47 |
| Dialysis, % | 34.1 | 26.7 | <.001 |
| Presentation symptoms | <.001 | ||
| Non-ACS | 39.0 | 43.2 | |
| NSTE ACS | 61.0 | 56.8 | |
| PCI indication | .11 | ||
| Elective | 54.6 | 54.6 | |
| Urgent | 41.7 | 42.0 | |
| Emergent/salvage | 3.7 | 3.4 | |
| Procedural characteristics | |||
| Bifurcation lesion, % | 16.5 | 12.8 | <.001 |
| Minimum stent diameter (mean ± SD), mm | 2.5 ± 0.5 | 2.6 ± 0.5 | <.001 |
| Total stent length (mean ± SD), mm | 41.6 ± 23.3 | 37.7 ± 21.2 | <.001 |
| Vessels treated | |||
| RCA | 37.7 | 37.9 | .60 |
| LM | 4.1 | 2.9 | <.001 |
| LAD | 51.6 | 44.8 | <.001 |
| LCx | 35.7 | 31.7 | <.001 |
| No. of intervened vessels, % | <.001 | ||
| 1 | 74.4 | 83.2 | |
| 2 | 23.8 | 15.8 | |
| 3 | 1.8 | 0.9 | |
| DES, % | 70.3 | 76.7 | <.001 |
Abbreviations: ACS, Acute coronary syndrome; BMI, body mass index; GFR, glomerular filtration rate; LAD, left anterior descending artery; LCx, left circumflex artery; LM, left main artery; NSTE, non–ST-segment elevation; NYHA, New York Heart Association; RCA, right coronary artery.