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. 2019 Aug 28;10:1112. doi: 10.3389/fphys.2019.01112

FIGURE 1.

FIGURE 1

Data are expressed as mean ± SD. HA, heat acclimation (n = 17); C, control (n = 11). ∗P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001 compared with the C group. ##P < 0.01, ###P < 0.001 compared with the same group before heat exposure. P < 0.05 was considered statistically significant. (A) Rats weight in the HA group was significantly lower than C group (P = 0.003 for 10 days, P = 0.011 for 20 days, and P = 0.019 for 30 days). (B) Tre in the HA group on days 1 and 10 differed significantly from that in the C group after heat exposure (P = 0.000 for 1 days and P = 0.025 for 10 days); there was a significant difference of Tre in the HA group after heat exposure on days 1 and 10 compared with the same group before heat exposure (P = 0.000 for 1 day and P = 0.004 for 10 days). (C) During 2-h continuous monitoring, Tre showed an initial rising trend, followed by a decrease and gradual stabilization. There was no difference in Tre between the HA and C groups on day 30.