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Computation for the AUROC confirmed favorable discriminatory power of nPCR (AUROC = 0.588 ± 0.035, 95% CI 0.52–0.65, P = 0.011). The cut-off point calculated by obtaining the best Youden index was 1.29 g/kg/d, with a sensitivity of 53% and specificity of 69%. AUROC = area under the receiver-operating characteristic curve, CI = confidence interval.
