Table 1 |
||
|
Numbers of admissions in the Case Mix Programme Database meeting the exclusion criteria for Acute Physiology and Chronic Health Evaluation II (N = 129,647) |
||
|
Exclusion criterion |
n |
% |
|
|
||
|
Age at admission < 16 years |
3658 |
2.8 |
|
Length of stay in unit < 8 hours |
11,139 |
8.6 |
|
Admission for primary burns |
238 |
0.2 |
|
Admission following coronary artery bypass grafting |
1877 |
1.4 |
|
Readmission within the same hospital stay |
6024 |
4.6 |
|
Transferred in from another critical care unit |
5285 |
4.1 |
|
Missing all 12 physiological variables |
1600 |
1.2 |
|
Total excluded (any of the above) |
27,097 |
20.9 |
|
|
||
|
Harrison et al. Critical Care 2004 8:R99 doi:10.1186/cc2834 |
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