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Table 4 Receiver Operator Characteristic analysis of optimal viral load cut-offs for detecting BK nephropathy

From: Optimal use of plasma and urine BK viral loads for screening and predicting BK nephropathy

Viral load

Cutoffa

Sensitivity

Specificity

AUCb

First positive urine

4.10

100

54

0.80

Peak urine

9.24

91

81

0.88

First positive plasma

3.79

77

81

0.85

Peak plasma

4.53

100

76

0.92

  1. aViral loads in log10 copies/mL. bAUC = area under the curve