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. 2016 Jul 22;16:342. doi: 10.1186/s12879-016-1652-6

Table 4.

Receiver Operator Characteristic analysis of optimal viral load cut-offs for detecting 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

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