Table 4.
Comparison of risk factors for postoperatively AKI in patients with ruptured and nonruptured AAA
| 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 | ||
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.
EVAR endovascular aortic repair, OPEN open aneurysm repair surgery