Table 1.
Univariate analysis of patient demographic data, preoperative risk factors and surgical data.
| GIB (n = 52) | non-GIB (n = 180) | P | t/χ2 | |
|---|---|---|---|---|
| Age (years) | 63.87 ± 8.49 | 60.20 ± 9.44 | 0.012 | 2.52 |
| Age ≥ 65 years | 26 (50.0) | 67 (37.2) | 0.032 | 4.61 |
| Sex (Male) | 46 (88.5) | 145 (80.6) | 0.188 | 1.73 |
| EF (%) | 60.87 ± 9.20 | 54.02 ± 14.08 | < 0.001 | 4.15 |
| NYHA ≥ 3 | 39 (75.0) | 120 (66.7) | 0.254 | 1.30 |
| Cerebral infarction | 9 (17.3) | 18 (10.0) | 0.148 | 2.10 |
| Hypertension | 34 (65.4) | 105 (58.3) | 0.361 | 0.84 |
| Diabetes | 21 (40.4) | 67 (37.2) | 0.679 | 0.17 |
| Digestive tract diseases | 8 (15.4) | 20 (11.1) | 0.405 | 0.69 |
| Smoke | 39 (75.0) | 114 (63.3) | 0.118 | 2.45 |
| MI | 12 (23.1) | 43 (23.9) | 0.903 | 0.02 |
| Number of diseased vessels | 3.37 ± 0.74 | 3.12 ± 0.90 | 0.075 | 1.79 |
| PPI use | 8 (15.4) | 32 (17.8) | 0.687 | 0.16 |
| Aggrastat use | 27 (51.9) | 123 (68.3) | 0.029 | 4.75 |
| LMWHC use | 18 (34.6) | 33 (18.3) | 0.013 | 6.24 |
| Blood platelet | 198.06 ± 60.98 | 198.83 ± 62.76 | 0.938 | 0.08 |
| INR | 1.02 ± 0.10 | 1.02 ± 0.07 | 0.885 | 0.15 |
| ALT | 32.09 ± 44.59 | 34.80 ± 27.14 | 0.591 | 0.54 |
| AST | 27.65 ± 30.63 | 28.13 ± 34.01 | 0.927 | 0.09 |
| GGT | 39.42 ± 33.97 | 40.63 ± 33.89 | 0.821 | 0.23 |
| Total bilirubin | 17.98 ± 6.52 | 15.27 ± 10.32 | 0.392 | 0.86 |
| Albumin | 41.47 ± 5.55 | 44.16 ± 4.40 | < 0.001 | 3.65 |
| Prealbumin | 245.23 ± 59.72 | 255.57 ± 57.69 | 0.260 | 1.13 |
| Urea | 7.37 ± 2.84 | 6.09 ± 2.31 | < 0.001 | 3.33 |
| Creatinine | 95.60 ± 38.97 | 83.19 ± 26.69 | 0.009 | 2.64 |
| GFR | 76.33 ± 21.26 | 84.77 ± 18.88 | 0.006 | 2.76 |
| Uric Acid | 285.68 ± 110.40 | 361.82 ± 97.96 | 0.134 | 1.51 |
| CPB use | 38 (73.1) | 78 (43.3) | < 0.001 | 14.28 |
| CPB time | 121.79 ± 90.52 | 67.96 ± 95.19 | < 0.001 | 3.63 |
| ACCT | 64.00 ± 54.84 | 31.59 ± 56.64 | < 0.001 | 3.66 |
| Intraoperative transfusion | 38 (73.1) | 83 (46.1) | < 0.001 | 11.76 |
| Time of operation | 382.67 ± 93.27 | 339.29 ± 100.15 | 0.006 | 2.79 |
| Mechanical ventilation time | 7660.52 ± 8456.67 | 2377.25 ± 4780.31 | < 0.001 | 5.79 |
| ICU stay time | 8.79 ± 8.10 | 3.3 ± 1.75 | < 0.001 | 8.42 |
| IABP use | 16 (30.8) | 31 (17.2) | 0.032 | 4.58 |
| Re-operation for bleeding | 11 (21.2) | 6 (3.3) | < 0.001 | 18.87 |
| Arrhythmia | 28 (53.8) | 35 (19.4) | < 0.001 | 24.14 |
| Low cardiac output syndrome | 16 (30.8) | 32 (17.8) | 0.042 | 4.15 |
| Infection | 30 (57.7) | 39 (21.7) | < 0.001 | 25.06 |
The results were expressed as mean ± standard deviation or n (%).
EF left ventricular ejection fraction, MI myocardial infarction, PPI proton pump preparation, INR international normalized ratio, ALT alanine aminotransferase, AST aspartate aminotransferase, GGT gamma-glutamyltransferase, GFR glomerular filtration rate, CPB cardiopulmonary bypass, ACCT aorticcross-clamptime, ICU intensive care unit, IABP intra-aortic ballon pump, LMWHC low molecular-weight heparin calcium.