Table 1. Clinical characteristics of all the patients with TAAD.
| Variables | HAIs (n=36) | Non-HAIs (n=64) | Statistics | P value |
|---|---|---|---|---|
| Gender: male(%) | 28 (77.8%) | 50 (78.1%) | 0.968 | 0.968 |
| Age (years) | 52.11±11.01 | 48.05±13.76 | −1.519 | 0.132 |
| Smoking status | ||||
| Ever | 7 (19.4%) | 14 (21.9%) | 0.082 | 0.775 |
| Never | 29 (80.6%) | 50 (78.1%) | ||
| Patients’ pre- and perioperative conditions | ||||
| Preoperative total-protein(g/L) | 59.51±7.20 | 62.02±7.35 | 1.648 | 0.103 |
| Preoperative albumin(g/L) | 35.27±5.72 | 36.47±4.91 | 1.106 | 0.271 |
| Preoperative WBC (109/L) | 10.78±4.30 | 11.52±4.40 | 0.813 | 0.418 |
| Preoperative neutrophil (109/L) | 81.13±9.87 | 79.40±10.71 | −7.497 | 0.427 |
| Preoperative lymphocyte (109/L) | 1.63±1.67 | 1.78±1.67 | 0.418 | 0.677 |
| Preoperative PLT (109/L) | 139.06±56.86 | 192.23±82.15 | 3.444 | 0.001 |
| Preoperative D dimer (mg/L) | 9.38±10.69 | 5.97±7.29 | −1.703 | 0.094 |
| Operation time (h) | 10.16±2.69 | 8.99±2.48 | −2.207 | 0.030 |
| Cardiopulmonary bypass time (min) | 236.42±58.92 | 214.56±62.47 | −1.713 | 0.090 |
| Myocardial ischemia time (min) | 149.17±35.70 | 144.83±38.93 | −5.551 | 0.583 |
| Deep hypothermic circulatory arrest time (min) | 29.81±4.20 | 28.80±4.98 | −1.027 | 0.307 |
| Duration of hospital stay (day) | 33.69±18.70 | 18.03±7.90 | −4.792 | <0.001 |
| Duration of ICU stay (day) | 16.39±13.49 | 6.36±4.37 | −4.336 | <0.001 |
| Duration of mechanical ventilation | 7.58±6.97 | 2.42±1.85 | −4.357 | <0.001 |
| Underlying disease | ||||
| Hypertension | 23 (63.9%) | 33 (51.6%) | 1.421 | 0.233 |
| Coronary heart disease | 1 (2.8%) | 1 (1.6%) | – | 1.000 |
| Stroke | 0 (%) | 1 (1.6%) | – | 1.000 |
| Lung disease | 0 (%) | 2 (3.1%) | – | 0.535 |
| Marfan syndrome | 1 (2.8%) | 3 (4.7%) | 0.000 | 1.000 |
| Diabetes | 1 (2.8%) | 1 (1.6%) | – | 1.000 |
| Solid tumor | 0 (0%) | 3 (4.7%) | 0.502 | 0.479 |
| Chronic kidney disease | 3 (8.3%) | 3 (4.7%) | 0.089 | 0.766 |
| Chronic liver disease | 2 (5.6%) | 0 (0%) | – | 0.127 |
Significance level: alpha =0.05. HAIs, healthcare associated infections; TAAD, type A aortic dissection; PLT, platelet; WBC, white blood cell; ICU, intensive care unit.