INS and Hypertension: In the multivariable logistic regression analysis, baPWV remained a statistically significant predictor of AKI (Exp [ß] = 1.34; 95% confidence interval [CI], 1.17–1.58; p < 0.001) even after adjusting for preoperative creatinine level, old age (> 75 years), hypertension, diabetes under insulin therapy, and EuroSCORE II (Table 3).