Can generic paediatric mortality scores calculated 4 hours after admission be used as inclusion criteria for clinical trials?

Table 2 Hosmer–Lemeshow goodness-of-fit test values and AUCs: time point for which the scores were developed

Score	Hour	χ² goodness-of-fit test value	P (df = 5)	AUC	Standard error
PIM	1	18.7	0.002	0.83	0.03
PRISM	24	15.9	0.007	0.86	0.02
PRISM III	12	27.1	<10^-4	0.91	0.02
PRISM III	24	33.0	<10^-5	0.92	0.02

AUC, area under the receiver operating characteristic curve; df, degrees of freedom; PIM, Paediatric Index of Mortality [4]; PRISM, Paediatric RISk of Mortality [1,2].

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