XUE et al.1 suggest adjusting for baseline serum creatinine or glomerular filtration rate in the primary analysis. The mean ± SD baseline serum creatinine concentrations for patients who had postoperative acute kidney injury (AKI) stage 0 was 0.81 (0.18); for AKI stage I it was 0.85 (0.21); and for AKI stage II/III it was 0.71 (0.18) mg/dl. When results are adjusted for baseline serum creatinine in addition to the variables in Table 1 of our report,2 the estimating odds ratio [95% CI] assessing the association between postoperative AKI stage 1 and long-term renal dysfunction is 2.4 [1.9, 2.9], which is virtually identical to the reported odds ratio of 2.4 [2.0, 3.0]. We therefore conclude that our published results were not biased by baseline creatinine. We further assessed the interaction between baseline creatinine and postoperative AKI...
Long-term Outcomes of Postoperative Kidney Injury: Reply
(Accepted for publication July 29, 2020. Published online first on August 20, 2020.)
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Alparslan Turan, Edward J. Mascha, Daniel I. Sessler; Long-term Outcomes of Postoperative Kidney Injury: Reply. Anesthesiology 2020; 133:1155 doi: https://doi.org/10.1097/ALN.0000000000003526
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