Comparison of hospital and patient characteristics of the study samples 2004 and 2008, and the total Dutch inpatient hospital population (source: Prismant) in 2004 and 2008
| Hospital characteristics | Sample 2004* | Sample 2008* | Total hospital population 2004† | Total hospital population 2008† |
|---|---|---|---|---|
| Inpatient admissions n (% of all patients) | 7887 (0.6) | 3996 (0.3) | 1.343.234 | 1.332.602 |
| Hospital deaths n (% of total sample/ population) | 3958 (50.2) | 1996 (49.9) | 42.329 (3.2) | 35.721 (2.7) |
| Patient admissions† n (% of total sample/ population) | ||||
| University hospitals | 1378 (17.5) | 791 (19.8) | 179.998 (13.4) | 197.269 (14.8) |
| Tertiary teaching | 2322 (29.4) | 1197 (30.0) | 381.625 (28.4) | 584.914 (43.9) |
| General | 4187 (53.1) | 2008 (50.3) | 781.611 (58.2) | 550.419 (41.3) |
| Patient characteristics | Sample 2004*‡ | Sample 2008*‡ | Total hospitalpopulation 2004† | Total hospitalpopulation 2008† |
| Male sex % | 49.0 | 49.9 | 49.7 | 49.9 |
| Age y, mean (SD) | 57.4 (21.6) | 60.0 (20.7) | 55.9 (21.7) | 56.8 (21.8) |
| Length of hospital stay d, mean (SD/median) | 8.5 (10.4/ 5.0) | 6.7 (8.9/4.0) | 7.3 (10.4/ 4.0) | 6.3 (9.5/3.0) |
| Urgently admitted patients % | 53.8 | 54.1 | 46.6 | 49.5 |
| Hospital departments | ||||
| Surgery | 24.0 | 21.9 | 24.4 | 23.8 |
| Cardiology | 12.9 | 11.6 | 16.1 | 17.5 |
| Internal medicine | 15.8 | 16.2 | 16.1 | 15.9 |
| Orthopedics | 10.5 | 11.0 | 8.7 | 8.2 |
| Neurology | 7.5 | 7.7 | 6.3 | 6.5 |
| Lung diseases | 7.2 | 6.2 | 6.5 | 7.7 |
| Ear, nose and throat | 4.3 | 3.7 | 4.5 | 3.8 |
| Urology | 4.2 | 5.2 | 5.0 | 5.0 |
| Other | 13.6 | 16.6 | 18.8 | 11.6 |
| ICD-9 diagnostic groups | ||||
| Neoplasms | 10.4 | 12.2 | 11.7 | 11.1 |
| Nervous system and sensory organs | 4.4 | 3.3 | 3.6 | 2.9 |
| Circulatory system | 19.1 | 20.8 | 18.8 | 18.0 |
| Respiratory system | 8.4 | 8.7 | 7.6 | 7.8 |
| Digestive system | 10.9 | 10.8 | 10.9 | 10.0 |
| Genitourinary | 6.5 | 6.3 | 6.7 | 6.4 |
| Musculoskeletal system and connective tissue | 11.2 | 11.9 | 9.0 | 8.6 |
| III defined conditions | 8.9 | 6.3 | 10.1 | 13.2 |
| Injury and poisoning | 9.8 | 9.5 | 10.0 | 10.0 |
| Other§ | 10.3 | 10.3 | 11.8 | 11.9 |
*Patient admissions of obstetrics, psychiatry, <1 year and <24 h for non-deceased patients were excluded.
†All patient admissions in non-specialty and non-psychiatric hospitals in The Netherlands (source: Prismant). Admissions of obstetrics, psychiatry, <1 year and <24 h for non-deceased patients were excluded.
‡Patient characteristics are weighted for over-representation of deceased patients and hospital type.
§Other includes smallest groups (3% and under): infectious and parasitic diseases; endocrine, nutritional, metabolic and immunity; blood and blood forming; mental; complications in birth; skin and subcutaneous disease; congenital abnormalities; V-codes.