Table 2.

Conventional and shear wave elastography imaging parameters

Variables	Patients with CKD grade 3–4 due to DKD	Healthy subjects	P-value
Number of participants	29	23
Number of evaluated kidneys	58	46
Kidney length (cm)	10.60±1.14	10.49±0.91	0.289
Kidney width (cm)	4.79±0.66	4.67±0.53	0.138
Cortical thickness (mm) (all patients)	13.8±2.2	14.8±1.6	0.002
Cortical thickness (mm) (males)	14.0±1.32§	14.9±1.7#	0.002
Cortical thickness (mm) (females)	13.3±1.2§	14.7±1.2#	0.002
Cortical stiffness (kPa) (all patients)	23.72±14.33	9.02±2.42	<0.001
Cortical stiffness (kPa) (males)	24.34±17.21*	9.63±2.49**	<0.001
Cortical stiffness (kPa) (females)	22.89±9.58*	8.73±2.46**	<0.001

Notes: Values are presented as mean ± standard deviation.

^§P=0.078;

^#P=0.405;

^*P=0.353;

^**P=0.117.

Abbreviations: CKD, chronic kidney disease; DKD, diabetic kidney disease.