Table 5 Predictors of acute kidney injury within 90 days of initial liver transplant evaluation visit on univariate and multivariate Cox Proportional Hazard Regression analysis. The unadjusted hazard ratio for NSBB use and acute kidney injury between 90 and 365 days of initial evaluation was 0.97, 95% confidence interval 0.4 to 2.7, p = 0.9