| CMPD | European/ North American Severity Study Group* [22] | North Thames Region [23] | Scottish Intensive Care Society Audit Group [24] | South West Thames Region [25] | |
---|---|---|---|---|---|---|
Admissions | 129,647 | 9155 | 136 | 12,762 | 10,393 | 16,646 |
Units | 128 | 26 | 4 | 15 | 22 | 17 |
Mean age | 58.7 | 56.3 | 57.4 | 57.1 | 58.9 | 61 |
Male (%) | 58.7 | 60.0 | 61.8 | - | 55.4 | 58.8 |
Surgical status (%) | Â | Â | Â | Â | Â | Â |
   Nonsurgical | 55.1 | 43.2 | 47.8 | - | 51.4 | 59.0 |
   Elective | 26.0 | 21.2 | 24.3 | - | 21.3 | 25.1 |
   Emergency | 18.7 | 25.6 | 27.9 | - | 27.3 | 15.9 |
APACHE II | Â | Â | Â | Â | Â | Â |
   Mean score | 16.5 | 17.9 | - | - | - | 15 |
   Mean probability | 0.255 | 0.272 | - | 0.286 | 0.300 | 0.224 |
Mortality (%) | Â | Â | Â | Â | Â | Â |
   Unit | 20.3 | 17.9 | - | 23.7 | 20.5 | 18.3 |
   Hospital | 28.6 | 27.7 | 32.4 | 32.5 | 29.4 | 26.6 |