Table 1.
Baseline patient characteristics of patients by completeness of revascularization.
| Variable | Incomplete Revascularization (n=14,923) |
Complete Revascularization (n=6,844) |
P Value |
|---|---|---|---|
| Age (Years) | <0.001 | ||
| <50 | 1,308(8.8%) | 707(10.3%) | |
| 50–59 | 3,235(21.7%) | 1,656(24.2%) | |
| 60–69 | 4,160(27.9%) | 1,951(28.5%) | |
| 70–79 | 4,042(27.1%) | 1,747(25.5%) | |
| ≥ 80 | 2,178(14.6%) | 783(11.4%) | |
| Sex | 0.57 | ||
| Female | 4,848(32.5%) | 2,250(32.9%) | |
| Male | 10,075(67.5%) | 4,594(67.1%) | |
| Race | <0.001 | ||
| Non-Hispanic white | 10,605(71.1%) | 5,373(78.5%) | |
| Non-Hispanic black | 1,577(10.6%) | 518(7.6%) | |
| Hispanic | 1,598(10.7%) | 534(7.8%) | |
| Other | 1,143(7.7%) | 419(6.1%) | |
| Body surface area (m2), mean (SD) | 2.01(0.27) | 2.02(0.26) | <0.001 |
| Body mass index group (kg/m2) | 0.09 | ||
| <18.5 | 146(1.0%) | 60(0.9%) | |
| 18.5–24.99 | 3,378(22.6%) | 1,467(21.4%) | |
| 25–29.99 | 5,888(39.5%) | 2,686(39.2%) | |
| ≥ 30 | 5,511(36.9%) | 2,631(38.4%) | |
| Ejection fraction | <0.001 | ||
| <20% | 884(5.9%) | 378(5.5%) | |
| 20–29% | 605(4.1%) | 142(2.1%) | |
| 30–39% | 1,120(7.5%) | 323(4.7%) | |
| ≥ 40% | 12,296(82.4%) | 5,994(87.6%) | |
| Missing | 18(0.1%) | 7(0.1%) | |
| Number of diseased vessels | <0.001 | ||
| 2 | 10,080(67.5%) | 6,115(89.3%) | |
| 3 | 4,843(32.5%) | 729(10.7%) | |
| Presence of total occlusion | 5,967(40.0%) | 684(10.0%) | <0.001 |
| Previous myocardial infarction | <0.001 | ||
| 1–7 days | 2,942(19.7%) | 1,309(19.1%) | |
| 8–20 days | 408(2.7%) | 116(1.7%) | |
| ≥ 21 days | 2,181(14.6%) | 529(7.7%) | |
| No myocardial infarction prior to procedures |
9,392(62.9%) | 4,890(71.4%) | |
| Cerebrovascular disease | 1,275(8.5%) | 489(7.1%) | <0.001 |
| Peripheral arterial disease | 1,273(8.5%) | 373(5.5%) | <0.001 |
| Hemodynamic state | 0.27 | ||
| Stable | 14,887(99.8%) | 6,832(99.8%) | |
| Unstable | 30(0.2%) | 12(0.2%) | |
| Shock | 6(0.0%) | 0(0.0%) | |
| Congestive heart failure | <0.001 | ||
| This admission | 1,266(8.5%) | 392(5.7%) | |
| Before this admission | 388(2.6%) | 121(1.8%) | |
| None | 13,269(88.9%) | 6,331(92.5%) | |
| Malignant ventricular arrhythmia | 77(0.5%) | 22(0.3%) | 0.05 |
| Chronic obstructive pulmonary disease | 981(6.6%) | 430(6.3%) | 0.42 |
| Diabetes requiring medication | 5,106(34.2%) | 1,947(28.4%) | <0.001 |
| Renal failure | <0.001 | ||
| Requiring dialysis | 352(2.4%) | 130(1.9%) | |
| Creatinine > 2.5 mg/dL (220 µmol/liter) | 226(1.5%) | 51(0.7%) | |
| No renal failure | 14,345(96.1%) | 6,663(97.4%) | |
| New York State PCI risk score for in- hospital mortality, mean (SD) |
3.9(3.1) | 3.3(2.8) | <0.001 |
| Type of stent | <0.001 | ||
| Bare-metal stents (BMS) only | 1,449(9.7%) | 366(5.3%) | |
| Drug-eluting stents (DES) only | 12,687(85.0%) | 5,687(83.1%) | |
| Both BMS and DES | 787(5.3%) | 791(11.6%) |