Fig. 2.
Box and whisker plots comparing relative change in clinical indices between patients with PVS (red) versus TOF (black). Data were presented as relative changes from baseline values. Abbreviations: NYHA: New York Heart Association; MELD-XI: Model for end-stage liver disease excluding international normalized ratio; NT-proBNP: N-terminal pro–B-type natriuretic peptide; VO2: Oxygen consumption. Footnote: * statistically significant change from baseline value based on paired t-test. P values were derived from between-group comparisons using unpaired t-tests. N: Number of patients with available data at each time point.