Table 1.
Patient characteristics (N = 4639).
| Characteristic | 2001–2002 n (%) |
2003–2004 n (%) |
2005–2006 n (%) |
2007–2008 n (%) |
PTrend |
|---|---|---|---|---|---|
| Overall | 1574 (13) | 1147 (9) | 984 (8) | 934 (7) | - |
| Age, Mean ± SD | 64 ± 11 | 64 ± 10 | 64 ± 10 | 63 ± 10 | 0.23 † |
| Male Sex | 1094 (70) | 812 (71) | 712 (72) | 695 (74) | 0.0062 * |
| White Race | 1268 (81) | 923 (80) | 785 (80) | 709 (76) | 0.010 * |
| BMI (mg/kg2), Mean ± SD | 29 ± 5.6 | 30 ± 5.9 | 30 ± 5.8 | 30 ± 5.9 | 0.23 † |
| Elective Surgery | 706 (45) | 741 (65) | 466 (47) | 382 (41) | 0.0050 |
| CAD Severity 1 Vessel 2 Vessel 3 Vessel |
103 (7) | 75 (7) | 53 (5) | 76 (8) | 0.18 †† |
| 387 (25) | 294 (26) | 228 (23) | 254 (27) | ||
| 1084 (69) | 778 (68) | 703 (71) | 604 (65) | ||
| Left Main Disease | 280 (18) | 284 (25) | 343 (35) | 245 (26) | <0.0001 * |
| Recent Smoker | 424 (27) | 356 (31) | 301 (31) | 322 (34) | 0.0001 * |
| Hypertension | 1220 (78) | 886 (77) | 805 (82) | 832 (89) | <0.0001 * |
| Diabetes | 592 (38) | 436 (38) | 368 (37) | 405 (43) | 0.017 * |
| Heart Failure | 251 (16) | 312 (27) | 296 (30) | 236 (25) | <0.0001 * |
| Dialysis | 36 (2) | 16 (1) | 17 (2) | 26 (3) | 0.53 * |
| PAD | 199 (13) | 173 (15) | 179 (18) | 166 (18) | <0.0001 * |
| COPD | 96 (6) | 201 (18) | 199 (20) | 245 (26) | <0.0001 * |
| Prior Stroke | 107 (7) | 99 (9) | 84 (9) | 93 (10) | 0.0067 * |
| Prior MI | 691 (44) | 541 (47) | 455 (46) | 470 (50) | 0.0043 * |
| Prior PCI | 307 (19) | 257 (22) | 244 (25) | 238 (25) | 0.0001 * |
* Cochran-Armitage Trend Test; † Linear Regression; †† Chi-square Test for non-zero Correlation. BMI = body mass index; CAD = coronary artery disease; COPD = chronic obstructive pulmonary disease; MI = myocardial infarction; PAD = peripheral arterial disease; PCI = percutaneous coronary intervention; SD = standard deviation.