Apparent diffusion coefficient of kidneys with non-contrast magnetic resonance angiography for functional and anatomical assessment in renal artery stenosis

Table 4 Comparison of mean apparent diffusion coefficient values with previous studies at b 1000 within the renal artery stenosis affected kidneys and essential hypertension group

Ref.	Groups	Cortex mean ADC	Medulla mean ADC
Yildrim et al[11], 2007	RAS affected kidneys	1.8 ± 0.2
	Contralateral and EH kidneys	2.0 ± 0.1
Our study	RAS affected kidneys	1.77 ± 0.3	1.76 ± 0.3
	Contralateral kidneys	1.95 ± 0.2	1.93 ± 0.2
	EH kidneys	1.89 ± 0.3	1.85 ± 0.2
	Normal kidneys	1.90 ± 0.1	1.84 ± 0.1

RAS: Renal artery stenosis; ADC: Apparent diffusion coefficient; EH: Essential Hypertension.