Table 4.
Univariate Analysis of Risk Factors for the patients with acute aortic syndrome
| Variable | Odds Ratio | 95% Confidence Interval | P Value |
|---|---|---|---|
| Age (y) | 0.98 | 0.95–1.01 | 0.2 |
| Sex, male | 2.05 | 1.07–3.92 | 0.03 |
| Weight | 1.04 | 1.01–1.07 | 0.009 |
| Preoperative platelet | 1.00 | 0.99–1.00 | 0.06 |
| Preoperative lymphocyte | 0.61 | 0.37–1.01 | 0.05 |
| Preoperative monocyte | 2.42 | 1.10–5.36 | 0.03 |
| Preoperative neutrophil | 1.10 | 1.01–1.21 | 0.04 |
| NLR | 1.16 | 1.06–1.28 | 0.002 |
| LMR | 0.77 | 0.64–0.93 | 0.007 |
| Preoperative NYHA class III or IV | 0.39 | 0.14–1.03 | 0.06 |
| Involving the descending aorta | 2.17 | 0.97–4.89 | 0.06 |
| CPB duration | 1.02 | 1.01–1.03 | < 0.001 |
| DHCA or MHCA | 2.26 | 0.82–6.20 | 0.1 |
| Aortic cross-clamp time | 1.02 | 1.00–1.04 | 0.01 |
| Operation time | 1.63 | 1.26–2.10 | < 0.001 |
| Combined valvular surgery | 0.39 | 0.14–1.1 | 0.08 |
Abbreviations: NLR Neutrophil to Lymphocyte Ratio, LMR Lymphocyte to Monocyte Ratio, CPB Cardiopulmonary Bypass, DHCA Deep Hypothermia and Circulatory Arrest, MHCA Median Hypothermia and Circulatory Arrest