Table 3.
Univariate analysis of risk factors associated with postoperative AKI in patients with ATAAD.
| Variables | OR (95%CI) | P-value |
|---|---|---|
| Age (years) | 1.05 (1.01, 1.09) | 0.03* |
| BMI (kg/m2) | 1.02 (0.91, 1.15) | 0.72 |
| Sex (Female) | 1.50 (0.61, 3.68) | 0.38 |
| Hypertension | 0.95 (0.40, 2.23) | 0.90 |
| Smoking | 1.05 (0.37, 2.99) | 0.93 |
| Diabetes | 4.15 (0.41, 41.61) | 0.23 |
| Cardiovascular disease | 2.03 (0.32, 12.82) | 0.45 |
| TT3 (nmol/L) | 0.27 (0.04, 1.69) | 0.16 |
| TT4 (nmol/L) | 0.98 (0.96, 1.01) | 0.14 |
| TSH (mIU/L) | 1.06 (0.71, 1.59) | 0.76 |
| FT3 (pmol/L) | 0.71 (0.39, 1.30) | 0.27 |
| FT4 (pmol/L) | 0.98 (0.83, 1.16) | 0.82 |
| Creatinine (μmol/L) | 0.99 (0.98, 1.01) | 0.20 |
| Platelet (G/L) | 0.99 (0.99, 1.00) | 0.07 |
| Red blood cell (×1012) | 0.63 (0.31, 1.28) | 0.20 |
| Hematocrit (%) | 1.00 (0.92, 1.08) | 0.93 |
| Ejection fraction (%) | 1.09 (0.99, 1.20) | 0.08 |
| Pericardial effusion | 0.56 (0.17, 1.80) | 0.33 |
| Intraoperative transfusion of PRBCs (u) | 1.31 (1.09, 1.57) | <0.01* |
| CPB time (min) | 1.00 (0.99, 1.00) | 0.23 |
| Aortic cross-clamping time (min) | 0.99 (0.98, 1.00) | 0.11 |
| Moderate hypothermic circulatory arrest | 0.28 (0.05, 1.52) | 0.14 |
| Circulatory arrest time (min) | 0.96 (0.91, 1.01) | 0.08 |
| Nasopharyngeal temperature (℃) | 0.83 (0.63, 1.10) | 0.19 |
ATAAD, acute type aortic dissection; BMI, body mass index; FT3, free triiodothyronine; TT3, total triiodothyronine; FT4, free thyroxine; TT4, total thyroxine; TSH, thyroid stimulating hormone; PRBC, packed red blood cell; CPB, cardiopulmonary bypass; AKI, acute kidney injury.
*P value indicates significance at P < 0.05.