Research Article
The Effect of Chunghyul-Dan on Hyperventilation-Induced Carbon Dioxide Reactivity of the Middle Cerebral Artery in Normal Subjects: A Dose-Dependent Study
Table 2
Changes in hyperventilation-induced CO2 reactivity (%/min) before and after CHD administration.
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All data are means ± SD. CHD, chunghyul-dan; hr, hour. : time × treatment interaction effect by two-way repeated measures analysis of variation (RM ANOVA). : post hoc test by Bonferroni multiple comparisons versus control after two-way RM ANOVA. : within-measure (time) effect by one-way RM ANOVA. < 0.05 versus before administration (baseline) by Bonferroni multiple comparisons after one-way RM ANOVA. |