Table 3 Demographic, clinical, and angiographic characteristics of patients
Variable | Before matching | After matching | ||||
|---|---|---|---|---|---|---|
Low-group (n = 332) | High-group (n = 195) | p-value | Low-group (n = 194) | High-group (n = 195) | p-value | |
Age (years) | 63.7 ± 8.5 | 64.9 ± 9.1 | < 0.001 | 64.0 ± 8.1 | 64.9 ± 9.2 | 0.313 |
Female gender n (%) | 81 (24) | 50 (26) | 0.750 | 58 (30) | 50 (26) | 0.349 |
Diabetes mellitus n (%) | 109 (33) | 68 (35) | 0.632 | 81 (42) | 68 (35) | 0.163 |
Hypertension n (%) | 65 (20) | 56 (29) | 0.016 | 32 (17) | 56 (29) | 0.004 |
COPD n (%) | 31 (9) | 31 (16) | 0.024 | 20 (10) | 31 (16) | 0.103 |
PAD n (%) | 18 (5) | 19 (10) | 0.061 | 12 (6) | 19 (10) | 0.195 |
Dysplidemia n (%) | 69 (21) | 38 (20) | 0.721 | 48 (25) | 38 (20) | 0.212 |
Smoking n (%) | 45 (14) | 40 (21) | 0.036 | 34 (18) | 40 (21) | 0.453 |
IABP usage n (%) | 8 (2) | 7 (4) | 0.432 | 2 (1) | 7 (4) | 0.093 |
Vasopressor usage n (%) | 55 (17) | 48 (25) | 0.024 | 31 (16) | 48 (25) | 0.034 |
LVEF (%) | 48.7 ± 7.6 | 47.9 ± 7.5 | 0.204 | 48.2 ± 6.7 | 47.9 ± 7.5 | 0.638 |
CPB time (min) | 56.8 ± 13.9 | 56.6 ± 12.0 | 0.869 | 55.9 ± 14.4 | 56.6 ± 12.0 | 0.627 |
Cross-clamp time (min) | 36.6 ± 10.8 | 37.0 ± 9.5 | 0.656 | 35.6 ± 10.3 | 37.0 ± 9.5 | 0.177 |
Outcomes | ||||||
Mortality n (%) | 6 (2) | 43 (22) | < 0.001 | 4 (2) | 43 (22) | < 0.001 |
Repeated revascularization n (%) | 20 (6) | 33 (17) | < 0.001 | 14 (7) | 33 (17) | 0.003 |
Myocardial reinfarction n n (%) | 11 (3) | 24 (12) | < 0.001 | 3 (2) | 24 (12) | < 0.001 |
Cerebrovascular events n (%) | 3 (1) | 11 (6) | 0.001 | 3 (2) | 11 (6) | 0.030 |
One-year MACCE n (%) | 0 (0) | 1 (1) | 0.192 | 0 (0) | 1 (1) | 0.318 |
3- year MACCE n (%) | 9 (3) | 19 (10) | 0.001 | 4 (2) | 19 (10) | 0.001 |
5-year MACCE n (%) | 12 (4) | 35 (18) | < 0.001 | 7 (4) | 35 (18) | < 0.001 |