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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Magn Reson Med. 2014 Jun 27;73(5):1904–1913. doi: 10.1002/mrm.25326

Figure 4.

Figure 4

Bland-Altman analysis of inter-observer variability for four different measures of pulmonary artery hemodynamics (peak flow, total flow, peak velocity and WSS). Points represent data from N=19 healthy controls and N=17 PAH patients. For each subject, flow and WSS parameters were evaluated by two independent observers in the three analysis planes (main pulmonary artery, right pulmonary artery, and left pulmonary artery) resulting in N = 3 * (19 + 17) = 108 data points for each Bland-Altman plot. If mean difference exhibited a non-zero slope, 95% confidence intervals are presented in brackets.