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Fig. 6 | European Radiology Experimental

Fig. 6

From: Vector-field dynamic x-ray (VF-DXR) using optical flow method in patients with chronic obstructive pulmonary disease

Fig. 6

Box-and-whisker plots of bilateral LMV of normal, COPD mild, and COPD severe groups in the tidal respiration. In each phase, differences between groups were investigated using one-way analysis of variance on ranks. Multiple comparisons showed that the absolute value of LMV of the COPD mild group was larger than that of the normal group with statistical significance. *p < 0.05; **p < 0.01. COPD Chronic obstructive pulmonary disease, LMV Lung motion velocity

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