Apparent diffusion coefficient measurement by diffusion weighted magnetic resonance imaging is a useful tool in differentiating renal tumors

Table 3 Multivariate regression analyses of apparent diffusion coefficient values in normal and malignant renal tumor tissues

Heterogeneity factors	Coefficient	SE	t	P (Adjusted)	95% CI
Heterogeneity factors	Coefficient	SE	t	P (Adjusted)	LL	UL
Year	0.107	0.422	0.25	1	−0.925	1.138
Sample Size	0.005	0.112	0.45	0.994	−0.223	0.032
Country	0.18	0.54	0.33	0.998	−1.14	1.5
Language	2.372	2.667	0.89	0.878	−4.154	8.898
Ethnicity	−0.353	1.501	−0.24	1	−4.025	3.32
Machine type	−0.056	0.792	−0.07	1	−1.993	1.88
b value	−0.338	0.454	−0.74	0.941	−1.449	0.774

SE = standard error; 95% CI = 95% confidence intervals; LL = lower limit; UL = upper limit.

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