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Multivariable linear regression models of tricuspid annular plane systolic excursion (TAPSE) with (A) vector magnitude counts and (B) step counts after adjusting for age, sex, body mass index, connective tissue disease as etiology of pulmonary arterial hypertension and accelerometer wear time in PHANTOM (Pulmonary Hypertension and Anastrozole). (β coefficients reported per 0.4-cm increase in TAPSE. Gray area represents the 95% confidence interval [CI].)
