Fig. 4From: Changes in fatigue, autonomic functions, and blood biomarkers due to sitting isometric yoga in patients with chronic fatigue syndromeCorrelations between ∆ Vigor score and ∆ plasma HVA; n = 15; a trendline indicates a linear relationship between two respective variables; mg/D, milligram per day (a). Normal P-P plot of the standardized residuals (b). Dependent variable: ∆ Vigor. Independent variable: ∆ HVABack to article page