Table 2.

Comparison between the control group, the study group, and subgroups A and B

	ADC (x 10−3 mm2/s)		FA
	Cortex	Medulla	Cortex	Medulla
Control group	2.53 ± 0.16	2.21 ± 0.18	0.31 ± 0.06	0.39 ± 0.06
Study group (RAS ≥50%)	2.27 ± 0.17	2.15 ± 0.11	0.31 ± 0.06	0.31 ± 0.05
p	0.012	0.21	0.881	0.027
Subgroup A (RAS 50–75%)	2.28 ± 0.11	2.21 ± 0.10	0.32 ± 0.06	0.32 ± 0.05
p	0.001	0.625	0.623	0.075
Subgroup B (RAS >75%)	2.27 ± 0.20	2.11 ± 0.11	0.30 ± 0.06	0.30 ± 0.05
p	0.041	0.134	0.888	0.023

ADC, apparent diffusion coefficient; FA, fractional anisotropy; RAS, renal artery stenosis.

A p-value of less than 0.05 was considered statistically significant.