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

Table 6

Correlation data table between renal artery resistance index and volume.

CKD staging	0.5 h	1 h	2 h	4 h	8 h	12 h
CKD1 period	2.70	2.49	2.78	2.67	2.54	2.65	0.001
CKD2 period	2.18	2.09	2.45	2.43	2.05	2.45	0.002
CKD3 period	1.85	1.75	2.14	1.80	1.87	2.13	0.004
CKD4 period	1.42	1.55	1.21	1.71	1.24	1.25	0.005
CKD5 period	1.09	1.21	1.21	1.31	1.01	1.29	0.008