Diagnostic utility of renal shear wave elastography and renal Doppler findings in diabetic nephropathy: a case–control study

Egyptian Journal of Radiology and Nuclear Medicine

Table 7 Comparison of R.I. between study groups according to the stage of DN

	Stage						p value	P1 (control versus early)	P2 (control versus late)	P3 (early versus late)
	Control		Early		Late
	Mean	SD	Mean	SD	Mean	SD
RI upper	0.63	0.04	0.67	0.02	0.79	0.04	0.0001	0.109	0.0001	0.0001
RI mid	0.64	0.04	0.67	0.02	0.80	0.03	0.0001	0.112	0.0001	0.0001
RI lower	0.63	0.04	0.68	0.02	0.80	0.03	0.0001	0.0001	0.0001	0.0001