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FIGURE 2. Bland–Altman plot showing mean uptake of 99mTc-mebrofenin in future remnant liver (FRL), as calculated in 46 hepatobiliary scintigraphy studies, versus differences in repeated calculations. Horizontal solid line indicates mean difference between the 2 calculations. Horizontal dashed lines indicate 95% limits of agreement (mean ± 1.96 SDs). No bias between the 2 observers was evident (P = 0.21 with paired t test). Ninety-three percent of values were within limits of agreement.
