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Table 3 Comparative ROC curves for 3 parameters of disease activity

From: Serum 20S proteasome levels are associated with disease activity in MPO-ANCA-associated microscopic polyangiitis

 

Area under the curve

95% confidence interval

P-value

Optimal cut-off levels

Sensitivity (%)

Specificity (%)

White blood cell count

0.738

0.624–0.851

< 0.001

7250

72.4

68.7

Serum C-reactive protein

0.963

0.000–1.000

<  0.001

0.72

89.7

100

Serum 20S-proteasome

0.996

0.000–1.000

< 0.001

563.1

96.6

95.5