Table 3. Paired analysis of the difference in apparent diffusion coefficient value between the two visits for the different organs.

Organ	Volumes of interest analysis						Regions of interest analysis
	Mean of difference (10−6 mm2 s−1)	SD (10−6 mm2 s−1)	Mean of % change	SD (%)	r (%)	p-value	Mean of difference (10−6 mm2 s−1)	SD (10−6 mm2 s−1)	Mean of % change	SD (%)	r (%)	p-value
Liver	9	47	0.85	4.4	8.6	0.56	−5	125	0.82	12.6	24.7	0.79
Kidney	−3	70	−0.14	4.0	7.7	0.85	3.5	178	0.6	10.2	20.0	0.88
Spleen	2	40	0.28	4.9	9.6	0.86	−19	117	−1.3	14.3	28.0	0.39
Gallbladder	−13	95	−0.4	3.2	6.4	0.67	−40	290	−0.70	10.7	21.0	0.55

ADC, apparent diffusion coefficient; SD, standard deviation.

r=coefficient of reproducibility, p-value for two-tailed matched-pair t-test.