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Table 4 ROC analyses in differentiating between AH and GA groups

From: Multiparametric MRI analysis for the evaluation of renal function in patients with hyperuricemia: a preliminary study

 

MR index

AUC

95% CI

P value

Sensitivity

(%)

Specificity

(%)

Optimal

cutoff

Cortex

D

0.697 ± 0.080

0.770,0.966

0.014

95.83

50.00

1.71

D*

0.684 ± 0.079

0.543,0.854

0.020

70.83

58.33

23.28

f

0.705 ± 0.076

0.556,0.828

0.007

75.00

58.33

19.92

Medulla

D

0.736 ± 0.072

0.531,0.837

0.001

58.33

75.00

1.53

R2*

0.868 ± 0.050

0.596,0.876

< 0.001

66.67

95.83

26.24

Combined

D, f (cortex)

&R2* (medulla)

0.967 ± 0.022

0.870,0.997

< 0.001

91.67

95.83

  1. AH, asymptomatic hyperuricemia group; GA, gouty arthritis group; AUC, area under the receiver operating characteristic curve; CI, confidence intervals
  2. Note that the optimal cutoff values of combining D, f (cortex), and R2*(medulla) were not provided due to their dependence on other imaging parameters