In Reply

We sincerely thank Drs. Vistisen and Scheeren for their insightful comments regarding our recent article.1 The authors pinpointed that calculating predictor and outcome variables from the same baseline may induce theoretical methodologic misinterpretations. Even though we agree with their point of view, we are convinced that it has less impact on our results.
Source: Anesthesiology - Category: Anesthesiology Source Type: research