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Figure 4 Augmentation index (left panel), transit time (Ti) (middle panel) and normalized transit time (right panel) in chronic pulmonary thromboembolism (CPTE) (open circles) and in primary pulmonary hypertension (PPH) (solid circles). b.s.a. = body surface area; Pi = pulmonary artery pressure at the inflexion point; SPAP = systolic pulmonary artery pressure. Individual data points and means ± SD are indicated. Two patients with CPTE had almost identical Ti values and Ti/b.s.a. values.
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