Preoperative risk prediction models for acute kidney injury after noncardiac surgery: are all models wrong, or can some be recalibrated and become useful? Comment on Br J Anaesth 2024

Editor—Zhuo and colleagues 1 Zhuo X.Y. Lei S.H. Sun L. et al. Preoperative risk prediction models for acute kidney injury after noncardiac surgery: an independent external validation cohort study. Br J Anaesth. 2024; (In Press) Abstract Full Text Full Text PDF Scopus (0) Google Scholar conducted external validations of models predicting postoperative acute kidney injury (AKI) in noncardiac surgeries using preoperative risk factors. The importance of accurately predicting AKI to improve patient outcomes is undisputed. However, we have concerns about the study's methodology and statistical modelling. Preoperative risk prediction models for acute kidney injury after noncardiac surgery: an independent external validation cohort studyBritish Journal of AnaesthesiaPreviewNumerous models have been developed to predict acute kidney injury (AKI) after noncardiac surgery, yet there is a lack of independent validation and comparison among them. Full-Text PDF