Table 1 Baseline and procedure characteristics of the cohort
Severe group (n = 128) | Impaired group (n = 680) | Normal group (n = 1224) | p value p1 | p2 | |
|---|---|---|---|---|
LVEF (%) | 31.0 ± 2.9 | 44.2 ± 3.6 | 58.9 ± 4.9 | <0.001 | < 0.001 |
Age (years) | 65.2 ± 8.2 | 66.6 ± 7.9 | 66.2 ± 7.1 | 0.07 | 0.14 |
Older age | 75 (58.6%) | 412 (60.6%) | 709 (57.9%) | 0.67 | 0.88 |
Female | 27 (21.1%) | 160 (23.5%) | 271 (22.1%) | 0.55 | 0.07 |
Recent smoking | 21 (16.4%) | 148 (21.8%) | 236 (19.3%) | 0.17 | 0.43 |
Diabetes mellitus | 31 (24.2%) | 218 (32.1%) | 369 (30.1%) | 0.08 | 0.16 |
Hypertension | 73 (57.0%) | 426 (62.6%) | 760 (62.1%) | 0.23 | 0.26 |
Hyperlipemia | 19 (14.8%) | 131 (19.3%) | 211 (17.2%) | 0.24 | 0.49 |
COPD | 17 (13.3%) | 75 (11.0%) | 128 (10.5%) | 0.46 | 0.33 |
Renal dysfunction | 5 (3.9%) | 41 (6.0%) | 83 (6.8%) | 0.34 | 0.21 |
Prior CVA | 17 (13.3%) | 108 (15.9%) | 184 (15.0%) | 0.46 | 0.60 |
History of PCI | 24 (18.8%) | 152 (22.4%) | 285 (23.3%) | 0.37 | 0.25 |
Recent MI | 28 (21.9%) | 131 (19.3%) | 198 (16.2%) | 0.50 | 0.10 |
Congestive heart failure | 38 (29.7%) | 115 (16.9%) | 128 (10.5%) | 0.001 | < 0.001 |
Coronary artery lesion | ||||
Triple-vessel | 116 (90.6%) | 583 (85.7%) | 1043(85.2%) | 0.14 | 0.09 |
Left main | 33 (25.8%) | 196 (28.8%) | 365 (29.8%) | 0.48 | 0.34 |
Enlarged left ventricle | 51 (39.8%) | 98 (14.4%) | 118 (9.6%) | <0.001 | < 0.001 |
Number of grafts | 3.0 ± 0.6 | 3.1 ± 0.6 | 3.1 ± 0.7 | 0.08 | 0.12 |
Use of IMA | 128 (100%) | 674 (99.1%) | 1216 (99.3%) | 0.29 | 0.36 |
Use of SVG | 115 (85.9%) | 628 (92.4%) | 1148 (93.8%) | 0.34 | 0.09 |
Use of RA | 21 (16.4%) | 87 (12.8%) | 136 (11.1%) | 0.27 | 0.08 |
Urgent switch to on-pump | 5 (3.9%) | 11 (1.6%) | 14 (1.1%) | 0.09 | 0.01 |
Prophylactic use of IABP | 18 (14.1%) | 12 (1.8%) | 0 | <0.001 | < 0.001 |