FIGURE 4. (A) Correlation of LVEF obtained from LVG and GBP PET (C¹⁵O) in 20 patients who underwent both studies. LVG and GBP PET show excellent linear correlation regardless of whether defect was () or was not (•) on perfusion image. Dashed line is line of identity. (B) Bland-Altman plot shows no significant degree of systematic measurement bias between 2 methods. Lines indicate mean and mean ± 2 SD.

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