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Table 4 Comparison of risk factors for postoperatively AKI in patients with ruptured and nonruptured AAA

From: The incidence, risk factors and in-hospital mortality of acute kidney injury in patients after abdominal aortic aneurysm repair surgery

Parameter

Ruptured AAA

Nonruptured AAA

Univariate analysis

Multivariate analysis

Univariate analysis

Multivariate analysis

OR (95%CI)

P

OR (95%CI)

P

OR (95%CI)

P

OR (95%CI)

P

Age (years)

1.017 (0.973–1.064)

0.448

  

1.050 (1.015–1.087)

0.005

  

Male sex (%)

2.609 (0.459–14.814)

0.279

  

1.731 (0.761–3.937)

0.191

  

Baseline SCr (umol/L)

1.010 (1.001–1.019)

0.033

  

1.006 (0.009–1.007)

0.132

  

Baseline blood urea nitrogen (mmol/L)

1.259 (1.061–1.495)

0.008

  

1.238 (1.112–1.377)

<0.001

  

Baseline eGFR (ml/min/1.73m2)

0.973 (0.953–0.992)

0.007

0.973 (0.951–0.994)

0.014

0.956 (0.942–0.971)

<0.001

0.957 (0.942–0.973)

<0.001

Renal artery involvement (%)

——————

   

2.852 (1.308–6.217)

0.008

2.733 (1.112–6.718)

0.029

Hypertension (%)

1.950 (0.639–5.952)

0.241

  

2.928 (1.563–5.486)

0.001

  

Cardiovascular diseases (%)

——————

   

3.283 (1.673–6.442)

0.001

2.567 (1.167–5.647)

0.019

Diabetes mellitus (%)

——————

   

1.142 (0.424–3.073)

0.793

  

Surgical procedures

 EVAR (%, reference)

1

 

1

 

1

   

 OPEN (%)

23.143 (2.724–196.639)

0.004

23.385 (2.564–213.280)

0.005

1.113 (0.535–2.315)

0.775

  

Operative duration > 230 min (n, %)

0.882 (0.298–2.615)

0.821

  

2.268 (1.289–3.990)

0.005

  

Intraoperative hemorrhage > 1 L (n, %)

3.477 (1.127–10.726)

0.030

  

3.897 (1.745–8.703)

0.001

6.053 (2.384–15.372)

<0.001

  1. Note: Factors including renal artery involvement, history of cardiovascular disease and diabetes mellitus were not recorded in the AKI group in ruptured AAA patients, so logistic analysis was not suitable.
  2. EVAR endovascular aortic repair, OPEN open aneurysm repair surgery