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Receiver operating curves for predicting length of hospital stay according to REMS, RAPS, and MEWS. REMS (AUROC: 0.762, Hosmer-Lemeshow statistic P value < .001); MEWS (AUROC: 0.645, Hosmer-Lemeshow statistic P value < .001); RAPS (AUROC: 0.668, Hosmer-Lemesh-ow statistic P value < .001). MEWS = modified early warning score, RAPS = rapid acute physiology score, REMS = rapid emergency medicine score.
