Insights into Imaging

Table 5 The results of receiver operating characteristic curves analysis by using renal cortex and medulla MK, MD, and ADC

From: Noninvasive assessment of clinical and pathological characteristics of patients with IgA nephropathy by diffusion kurtosis imaging

Parameters	Control group versus eGFR > 60					eGFR > 60 versus eGFR < 60
Parameters	AUC (95% CI)	Cut-off	Sensitivity (%)	Specificity (%)	You-index	AUC (95% CI)	Cut-off	Sensitivity (%)	Specificity (%)	You-index
MK_Cortex	0.923 (0.775–0.987)	0.552	84.21	100	0.842	0.883 (0.705–0.973)	0.603	88.89	94.74	0.836
MD_Cortex	0.549 (0.367–0.722)	2.987	68.42	57.14	0.257	0.924 (0.759–0.990)	2.891	100	68.42	0.684
ADC_Cortex	0.737 (0.555–0.874)	1.866	73.68	78.57	0.523	0.865 (0.684–0.964)	1.727	77.78	89.47	0.673
MK_Medulla	0.641 (0.453–0.802)	0.563	77.78	50.00	0.279	0.923 (0.753–0.990)	0.614	88.89	88.89	0.779
MD_Medulla	0.553 (0.370–0.725)	2.295	94.74	28.57	0.233	0.731 (0.531–0.880)	2.632	88.89	57.89	0.468
ADC_Medulla	0.506 (0.327–0.683)	1.842	5.26	78.57	0.162	0.784 (0.588–0.916)	1.731	88.89	57.89	0.468

MK, mean kurtosis; MD, mean diffusivity; ADC, apparent diffusion coefficient; ROC, receiver operating characteristic; AUC, area under the receiver operating characteristic curve; CI, confidence interval

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