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FIGURE 6. (A) Relationship between regional alveolar gas volume measured from transmission (VATrans) and emission scans (VAemission). Each symbol is the regional value of VA in one lung ROI in a given experimental condition in 1 animal. The total number of ROIs amounts to 749. Solid and dashed lines are regression line and line of identity, respectively. (B) Bland–Altman representation (23) of relationship shown in A. Solid and dashed lines represent mean and mean ± SD, respectively.
