Fig. 3: Correlations between natural log transformed plasma concentrations of interleukin (IL)-6 and maximum core body temperature reached during the experiment.

Correlation strength (r) and significance (p) accompany the regression line. Red points refer to data measured from participants randomized to the whole-body hyperthermia (WBH) condition, and blue points refer to data measured from participants randomized to the sham WBH condition. C Celsius, ELISA enzyme-linked immunosorbent assay, pg picogram, mL milliliter, WBH whole-body hyperthermia.