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. 2022 Sep 29;13:971757. doi: 10.3389/fphys.2022.971757

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Copyright © 2022 Wekre, Landsverk, Lautridou, Hjelde, Imbert, Balestra and Eftedal.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) 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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Boxplot showing the % change in hydration markers during bell runs, for bellmen and in-water divers. Box edges represent 25th and 75th percentiles. Whiskers are minimum and maximum values. Calculation of differences were done using a paired t-test for urine specific gravity and Wilcoxon matched pairs test for bioimpedance and total body water. *median different from zero (p ≤ 0,05). *** significant difference between bellmen and in-water divers (p ≤ 0,001). “ns” no significant difference between bellmen and in-water divers.