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

Table 1 Demographic characteristics and associated comorbidities of the study population

	RAS (n = 58)		Hypertensive group with normal renal arteries (n = 28)	Healthy control volunteers (n = 20)	Total (n = 106)
Age (years)	40.9 ± 14.1		36.5 ± 13.1	28.2 ± 3.9
Sex	Male	37	23	20	80
	Female	21	5	0	26
Hypertension	58		28	0	86
Diabetes mellitus	10		5	0	15
Takayasu arteritis	6		2	0	8
Chronic kidney disease	5		4	0	9
Raised serum creatinine	39		11	0	50
Mean serum creatinine (mg/dL)	2.2		1.3	0.8	1.65
Mean BUN (mg/dL)	22.8		20.5	10.6	17.97
Mean eGFR (mL/min/1.73m2)	55		89.05	131	91.68

RAS: Renal artery stenosis; BUN: Blood urea nitrogen; eGFR: Estimated glomerular filtration rate.