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Receiver operating characteristic curves for the ability of blood lactate, PRISM III, and blood lactate combined with PRISM III to predict in-hospital mortality in generally critically ill children (n = 1109). The area under the receiver operating characteristic curve for blood lactate, PRISM III, and blood lactate combined with PRISM III were 0.79, 0.82 and 0.86, respectively, with a Hosmer-Lemeshow goodness-of-fit p value >0.05.
