Identification of risk factors for postoperative stage 3 acute kidney injury in patients who received surgical repair for acute type A aortic dissection

Table 5 Multivariable analysis of risk factors for stage 3 acute kidney injury with KDIGO

Variable	OR	95% CI	P value
Age (year)	1.031	1.005–1.057	0.018
BMI (kg/m²)	1.063	0.993–1.138	0.079
Hypertension	1.033	0.539–1.982	0.921
Previous cardiac surgery	1.110	0.309–3.986	0.837
Pericardial tamponade	1.268	0.451–3.567	0.653
MELD score ≥ 12	1.883	0.758–4.679	0.173
PLT (10⁹/L)	1.002	0.998–1.007	0.338
sCr (μmol/L)	1.005	1.000–1.010	0.053
Bun (mmol/L)	0.958	0.863–1.063	0.417
ALB (g/L)	0.946	0.885–1.012	0.104
Triglyceride (mmol/L)	1.238	0.985–1.557	0.067
INR	1.689	0.698–4.084	0.245
Total bilirubin (μmol/L)	0.993	0.972–1.015	0.518
D-dimer (ng/mL)	1.009	0.993–1.024	0.266
TAR	1.695	0.868–3.308	0.122
CABG	1.850	0.540–6.336	0.327
CPB time (min)	1.010	1.002–1.018	0.013
Aortic cross-clamp time (min)	0.996	0.988–1.005	0.419
DHCA time (min)	1.019	0.992–1.046	0.163
Drainage volume 24 h after surgery (mL)	1.000	1.000–1.001	0.033
Paraplegia	2.578	0.583–11.390	0.212

P < 0.05 was considered statistically significant
BMI, body mass index; MELD model of end-stage liver disease; PLT platelet; SCr serum creatinine; ALB albumin; INR international normalized ratio; TAR total arch replacement; CABG coronary artery bypass graft; CPB cardiopulmonary bypass; DHCA deep hypothermic circulatory arrest; OR odds ratio; CI confidence interval

ISSN: 1471-2482