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. 2019 May 7;10:477. doi: 10.3389/fphys.2019.00477

FIGURE 2.

FIGURE 2

Geometric mean ± geometric standard error for feedback (αC) and feedforward (βC) gains during wake and sleep periods in normotensive (solid black circle) and hypertensive (open red circle) groups. Asterisks indicate significant differences between groups; number signs, # indicate significant differences between conditions from the mixed-effect linear model analysis.