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. 2013 Dec 13;8(12):e82250. doi: 10.1371/journal.pone.0082250

Table 2. Differences in the areas under the ROC curves of PCT, SAA, CRP, and IL-6 for predicting AKI.

PCT SAA CRP IL-6
PCT \ 0.429(0.294,0.560) 0.147 (0.058,0.236) 0.221 (0.111,0.331)
P<0.001* P<0.001* P<0.001*
SAA \ \ 0.28 (0.123,0.437) 0.206 (0.036,0.376)
P<0.001* P = 0.017*
CRP \ \ \ 0.074 (0.064,0.212)
P = 0.293
IL-6 \ \ \ \

% confidence interval) between two indicators. * = P<0.05 according to the Mann-Whitney U Test. Results are presented as mean area difference (95

 = procalcitonin; SAA = serum amyloid A; CRP =  C-reactive protein; IL-6 = interleukin-6. PCT