Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effect of the length of stay on discrimination of the Paediatric Index of Mortality (PIM) [4], Paediatric RISk of Mortality (PRISM) and PRISM III scores [1,2] for (a) the time points for which the scores were developed (1 hour [H1] for PIM, 24 hours [H24] for PRISM, and 12 hours [H12] and H24 for PRISM III) and (b) a different time period, namely 4 hours (H4).
