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. Author manuscript; available in PMC: 2017 Mar 18.
Published in final edited form as: Acad Radiol. 2012 Sep 10;19(12):1554–1565. doi: 10.1016/j.acra.2012.07.006

Figure 5.

Figure 5

(a) Comparison of the images of abdominal motion range variation and four-dimensional (4D) computed tomography (CT) ventilation variation at different coronal levels for patient 2 of the different-day cohort, showing the strongest linear relationship (r2 = 0.90, P < .01). (b) Abdominal motion range variation versus 4D CT ventilation variation for the same patient. Points represent the average ventilation variations within motion range variation bins. Error bars represent the standard deviations.