Table 3.
Baseline characteristics according to prior CEVD and revascularization strategies
| Prior CEVD | No prior CEVD | |||||
|---|---|---|---|---|---|---|
| PCI (n = 119) | CABG (n = 134) | p value | PCI (n = 782) | CABG (n = 756) | p value | |
| Age (year) | 67.4 ± 8.6 | 68.8 ± 8.8 | 0.211 | 64.9 ± 9.8 | 64.2 ± 9.8 | 0.170 |
| Sex | 0.202 | 0.312 | ||||
| Male | 70.6 (84) | 77.6 (104) | 77.2 (604) | 79.4 (600) | ||
| Female | 29.4 (35) | 22.4 (30) | 22.8 (178) | 20.6 (156) | ||
| Body mass index (kg/m2) | 28.2 ± 4.8 | 27.6 ± 4.4 | 0.343 | 28.1 ± 4.8 | 28.0 ± 4.5 | 0.603 |
| Medically treated diabetes | 31.9 (38) | 32.8 (44) | 0.878 | 24.6 (192) | 23.1 (175) | 0.518 |
| Insulin | 16.0 (19) | 14.2 (19) | 0.691 | 9.0 (70) | 9.5 (72) | 0.698 |
| Metabolic syndrome | 47.9 (57) | 38.8 (52) | 0.203 | 35.9 (281) | 34.8 (263) | 0.304 |
| Hypertension | 77.3 (92) | 64.2 (86) | 0.022 | 67.5 (528) | 63.8 (482) | 0.120 |
| Dyslipidemia | 78.0 (92) | 79.5 (105) | 0.760 | 78.7 (611) | 76.8 (576) | 0.363 |
| Current smoker | 16.0 (19) | 17.6 (23) | 0.737 | 18.8 (147) | 22.9 (172) | 0.049 |
| Previous myocardial infarction | 31.6 (37) | 38.6 (51) | 0.248 | 32.0 (248) | 33.2 (248) | 0.643 |
| Previous stroke | 29.9 (35) | 32.6 (43) | 0.651 | – | – | |
| Previous transient ischemic attack | 33.1 (39) | 34.4 (45) | 0.828 | – | – | |
| Previous carotid artery disease | 61.3 (73) | 56 (75) | 0.387 | – | – | |
| Peripheral vascular disease | 24.4 (29) | 24.6 (33) | 0.962 | 6.8 (53) | 8.2 (62) | 0.289 |
| Chronic obstructive pulmonary disease | 18.5 (22) | 11.2 (15) | 0.101 | 6.3 (49) | 8.7 (66) | 0.066 |
| Impaired renal function | 30.4 (34) | 34.8 (40) | 0.477 | 18.0 (133) | 16.2 (108) | 0.377 |
| Creatinine clearance (ml/min) | 77.8 ± 32.2 | 76.2 ± 32.8 | 0.703 | 87.9 ± 35.9 | 87.3 ± 28.5 | 0.705 |
| Left ventricular ejection fraction (%) | 57.5 ± 12.8 | 57.2 ± 13.4 | 0.885 | 59.3 ± 12.9 | 58.5 ± 13.2 | 0.357 |
| Congestive heart failure | 6.8 (8) | 7.8 (10) | 0.783 | 3.6 (28) | 5.0 (37) | 0.183 |
| Clinical presentation | 0.153 | 0.835 | ||||
| Silent ischemia | 16.8 (20) | 26.9 (36) | 13.6 (106) | 12.7 (96) | ||
| Stable angina | 51.3 (61) | 46.3 (62) | 57.8 (452) | 59.1 (447) | ||
| Unstable angina | 31.9 (38) | 26.9 (36) | 28.6 (224) | 28.2 (213) | ||
| Euro SCORE | 5.5 ± 3.1 | 5.6 ± 3.0 | 0.731 | 3.5 ± 2.4 | 3.5 ± 2.5 | 0.760 |
| Parsonnet SCORE | 10.4 ± 7.6 | 11.6 ± 7.5 | 0.217 | 8.2 ± 6.8 | 7.8 ± 6.5 | 0.232 |
| Disease extent | 0.430 | 0.962 | ||||
| 3VD | 56.3 (67) | 61.2 (82) | 61.1 (478) | 61.2 (463) | ||
| LMCAD | 43.7 (52) | 38.8 (52) | 38.9 (304) | 38.8 (293) | ||
| Disease extent | 0.756 | 0.841 | ||||
| LMCAD only | 5.0 (6) | 2.2 (3) | 4.6 (36) | 5.8 (44) | ||
| LMCAD + 1VD | 7.6 (9) | 9.0 (12) | 7.4 (58) | 7.8 (59) | ||
| LMCAD + 2VD | 12.6 (15) | 11.2 (15) | 12.4 (97) | 11.9 (90) | ||
| LMCAD + 3VD | 18.5 (22) | 16.4 (22) | 14.5 (113) | 13.2 (100) | ||
| 2VD | 1.7 (2) | 0.7 (1) | 1.9 (15) | 2.4 (18) | ||
| 3VD | 54.6 (65) | 60.4 (81) | 59.2 (463) | 58.8 (444) | ||
| SYNTAX score | 29.7 ± 11.3 | 30.0 ± 12.0 | 0.851 | 28.3 ± 11.4 | 28.9 ± 11.2 | 0.255 |
| Number of lesions | 4.6 ± 1.9 | 4.5 ± 1.7 | 0.878 | 4.3 ± 1.8 | 4.4 ± 1.8 | 0.477 |
| Any total occlusion | 26.1 (31) | 21.6 (29) | 0.411 | 23.8 (185) | 22.4 (168) | 0.514 |
| Any bifurcation | 75.6 (90) | 72.4 (97) | 0.558 | 71.8 (557) | 73.4 (550) | 0.469 |
| Number of stents | 4.7 ± 2.2 | – | – | 4.6 ± 2.3 | – | – |
| Total stent length per patient | 86.3 ± 45.4 | – | – | 86.3 ± 48.4 | – | – |
| Off pump CABG | – | 16.5 (21) | 0.656 | – | 14.9 (107) | 0.651 |
| LIMA use | – | 85.8 (109) | 0.685 | – | 86.0 (620) | 0.716 |
| Number of total conduits | – | 2.8 ± 0.7 | – | – | 2.8 ± 0.7 | – |
| Number of arterial conduits | – | 1.4 ± 0.7 | – | – | 1.4 ± 0.7 | – |
| Number of venous conduits | – | 1.4 ± 0.9 | – | – | 1.4 ± 0.9 | – |
| Complete revascularization | 56.3 (67) | 59.7 (77) | 0.589 | 56.8 (440) | 63.6 (467) | 0.007 |
Data are presented as mean ± standard deviation or percentage (number). CABG coronary artery bypass grafting, CAD coronary artery disease; LIMA left internal mammary artery, PCI percutaneous coronary intervention