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. 2021 May 13;75(1):37–46. doi: 10.4097/kja.21087

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Copyright © The Korean Society of Anesthesiologists, 2022

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Perioperative body temperature. Error bars indicate ± 1 SD of temperature. Preoperative and postoperative core temperatures of the patients were measured using a tympanic membrane thermometer. The intraoperative core temperature measured using a nasopharyngeal probe was recorded every 15 min after anesthesia was induced. Significant drops in body temperature from baseline values were detected in both groups (P < 0.001). The temperature was higher in the upper-warming group beginning from 75 min after induction of anesthesia to the end of the PACU stay compared with the lower-warming group. ^*P < 0.05 for the group difference. Baseline: immediately after arrival in the pre-anesthetic holding area; intraoperative 0 min: immediately after inserting the nasopharyngeal probe; PACU arrival: immediately after arrival in the PACU; PACU 10, 20, and 30 min: 10, 20, and 30 min after arrival in the PACU. SD: standard deviation, PACU: post-anesthesia care unit.