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. 2023 May 10;13(5):e068284. doi: 10.1136/bmjopen-2022-068284

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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Risk factors for EA using the ROC curve. Predictive values of risk factors were assessed using the ROC curve. The VAS score for postoperative pain (AUC=0.769, 95% CI: 0.718 to 0.819, p<0.001), fasting times for solids (AUC=0.753, 95% CI: 0.699 to 0.807, p<0.001) and fasting times for fluids (AUC=0.768, 95% CI: 0.719 to 0.816, p<0.001) demonstrated good predictive effects. AUC, area under the ROC curve; EA, emergence agitation; ROC, receiver operating characteristic; VAS, Visual Analogue Scale.