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(a)Changes in Kansas City Cardiomyopathy Questionnaire (KCCQ) score at 12 months based on the presence or absence of latent pulmonary vascular disease (PVD; exercise PVR >1.74 Wood units). (b) Relationship between exercise PVR at baseline and changes in KCCQ score over 12 months. Reproduced from Borlaug et al.21
Abbreviations: PVR, pulmonary vascular resistance; WU, wood units.
