[Retracted] Diagnosis of Chronic Kidney Disease by Three-Dimensional Contrast-Enhanced Ultrasound Combined with Augmented Reality Medical Technology

Table 3

Three-dimensional volume comparison data table.

CKD staging	Three-dimensional volume	Kidney length	Renal parenchymal thickness	Cortical thickness	Medulla area
CKD1 period	2.38	2.89	2.40	2.81	2.75	<0.001
CKD2 period	1.90	2.26	2.19	2.32	2.04	<0.001
CKD3 period	1.52	1.83	1.64	1.39	1.53	<0.001
CKD4 period	1.67	1.32	1.02	1.40	1.50	<0.001
CKD5 period	1.09	1.00	0.98	0.92	1.19	<0.001