Comparison Between the Values of the Hepatic Uptake Rate Obtained by 2 Methods, Using Hepatobiliary Scintigraphy in Patients with Nonalcoholic Steatohepatitis

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FIGURE 1.
Hepatic Gjedde–Patlak plot.
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FIGURE 2.
Scatter plot with linear regression line of HBS liver uptake rate values calculated by applying Gjedde–Patlak plot method and method of Ekman et al. (7).
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FIGURE 3.
Bland–Altman plot. x-Axis represents mean values of uptake rate values, and y-axis represents differences between values of uptake rate that were obtained by applying Gjedde–Patlak plot method and method of Ekman et al. (7).

TABLE 1

Functional Data: Hepatic Uptake Rate for 15 NASH Patients with Fatty Livers

Patient no.	A	B	A + B	A − B	(A + B)/2
1	18.54	15.1	33.64	3.44	16.82
2	18.3	17.27	35.57	1.03	17.785
3	19.02	16.8	35.82	2.22	17.91
4	20.4	22.15	42.55	−1.75	21.275
5	14.9	11.67	26.57	3.23	13.285
6	14.15	11.12	25.27	3.03	12.635
7	18.3	16.2	34.5	2.1	17.25
8	18.66	17.5	36.16	1.16	18.08
9	18.06	15.58	33.64	2.48	16.82
10	16.85	15.22	32.07	1.63	16.035
11	17.15	17.04	34.19	0.11	17.095
12	14.01	11.73	25.74	2.28	12.87
13	15.16	9.72	24.88	5.44	12.44
14	20.08	20.85	40.93	−0.77	20.465
15	17.09	15.52	32.61	1.57	16.305

A = hepatic uptake rate (in %/min) obtained by applying method of Ekman et al. (7; B = hepatic uptake rate (in %min) obtained from applying Gjedde–Patlak method (13,14).