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. 2015 Jun 9;7:112. doi: 10.3389/fnagi.2015.00112

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Copyright © 2015 Androsova, Krause, Winterer and Schneider.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Incidence and time-course of postoperative delirium (POD) and postoperative cognitive dysfunction (POCD) incidence. Y-axis denotes the percentage on POD/POCD incidence registered by the different studies. X-axis denotes the number postoperative days on logarithmic scale. The graph does not include the data of POD/POCD incidence, if it was measured only once postoperatively, if measurement time was not precisely stated or the study includes less than 140 patients. CABG, coronary artery bypass grafting; NCS, noncardiac surgery.