The Effect of Chunghyul-Dan on Hyperventilation-Induced Carbon Dioxide Reactivity of the Middle Cerebral Artery in Normal Subjects: A Dose-Dependent Study

Figure 2

Percent changes in CO₂ reactivity (%) before and after CHD administration. The lines represent the means ± SEM. CHD, chunghyul-dan; hr, hour. versus control at the same time points by Bonferroni multiple comparisons after one-way repeated measures analysis of variation (RM ANOVA). versus CHD 300 mg at the same time points by Bonferroni multiple comparisons after one-way RM ANOVA.