Actual mortality, number of patients, mortality per year, and standardised mortality ratio (SMR) in patients admitted to the paediatric intensive care unit (PICU) at the Royal Liverpool Children’s Hospital with meningococcal disease
| Jan 1995 to March 19981 | April 1999 to March 2001 | |
|---|---|---|
| SMR = paediatric index of mortality (PIM) predicted mortality/actual mortality. | ||
| Actual mortality/PICU admissions | 11/123 (8.9%) | 3/95 (3%) |
| Mortality per year | 3.5 | 1.5 |
| PIM predicted SMR | 1.16 | 0.24 |