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(A) Distribution of tricuspid regurgitant jet velocity in sickle disease patients and controls. (B) Distribution of ages in sickle cell disease patients with elevated jet velocity. (C) Correlation of jet velocity and the hemolytic index in sickle cell disease patients (N=290, r=0.35, p<0.0001). (D) Correlation of jet velocity and oxygen saturation in sickle cell disease patients (N=287, r=−0.20, p=0.001)
