Admission details
| Year group | Patient characteristics | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1997–98 | 1999–2000 | 2001–02 | Total | Length of stay | Gender | Age | |||
| (% all admissions) | (% all admissions) | (% all admissions) | (% all admissions) | (median days) | (male) | (median months) | |||
| *1612 admissions of 1564 patients; 36 patients were reviewed on two separate admissions, 6 patients on three separate admissions. | |||||||||
| †Random sample of 51 410 admissions v medical record reviewed, Mann-Whitney U test. | |||||||||
| ‡All admissions v medical record reviewed, χ2 test. | |||||||||
| §271 admissions affecting 268 patients with a total of 325 adverse events detected. | |||||||||
| ¶Medical record review v adverse event detected, Mann-Whitney U test. | |||||||||
| **Medical record reviewed v adverse event detected, χ2 test. | |||||||||
| All admissions | 35773 | 33617 | 33865 | 103255 | 2 | 58% | 57.04 | ||
| Medical record reviewed | 518 (1.5%) | 554 (1.6%) | 540 (1.6%) | 1612 (1.6%)* | 7 (p<0.001†) | 56% (p = 0.17‡) | 13.5 (p<0.001†) | ||
| Adverse events detected | 146 | 113 | 66 | 271§ (0.3%) | 11 (p<0.001¶) | 53.5% (p = 0.33**) | 13.5 (p = 0.13¶) | ||