Table 1 Comparison of patients excluded from scoring between patients in CMP UK database and those admitted to the RBH
Parameter | CMP database, Jan to Dec 2003 | RBH, Jan 2003 to Jun 2004 | ||
|---|---|---|---|---|
| Â | Number | % | Number | % |
Total number of admissions | 55,936 | 100.00 | 731 | 100.00 |
Age at admission <16 years | 978 | 1.75 | 17 | 2.33 |
Length of stay in unit <8 hours | 3,636 | 6.50 | 39 | 5.34 |
Admission for primary burns | 121 | 0.22 | 0 | 0.00 |
Admission after coronary artery bypass grafting | 36 | 0.06 | 0 | 0.00 |
Readmission within the same hospital stay | 2,911 | 5.20 | 34 | 4.65 |
Transferred in from another critical care unit | 1,836 | 3.28 | 27 | 3.69 |
Missing all 12 physiological variables | 1,488 | 2.66 | 26 | 3.56 |
Total number included for scoring | 44,930 | 80.32 | 588 | 80.44 |