PRISM (paediatric risk of mortality) predicted mortality, actual mortality, and standardised mortality ratio (PRISM predicted mortality/actual mortality) contrasted with previously published series
| Author | Years of study | Total number of patients | PRISM predicted mortality | Actual mortality | Standardised mortality ratio | |||||
| Algren et al 4 | 1979–1984 | 62 | 9.1 | 9 | 1.00 | |||||
| Kentucky, USA | 1988–1991 | |||||||||
| Mok and Butt6 | 1985–1992 | 35 | 14.4 | 12 | 0.83 | |||||
| Melbourne, Australia | ||||||||||
| Nadel et al 13 | Published 1996 | 98 | 23 | 18 | 0.78 | |||||
| London, UK | Over two years | |||||||||
| Van Brakel et al 7 | 1988–1993 | 53 | 15.4 | 10 | 0.65 | |||||
| Utrecht, Netherlands | ||||||||||
| Current series | 1995–1998 | 123 | 24.9 | 11 | 0.44 | |||||
| Merseyside, UK | ||||||||||