Table 2.
Frequency of individual constituents of each comorbidity index
| Deyo-Charlson comorbidities | Frequency (%) | Elixhauser-van Walraven comorbidites | Frequency (%) |
|---|---|---|---|
| AIDS | 371 (0.6) | HIV/AIDS | 369 (0.6) |
| Any malignancy | 23 249 (38.9) | Alcohol abuse | 3361 (5.6) |
| Cerebrovascular disease | 20 926 (35.0) | Blood loss/anaemia | 1167 (2.0) |
| Chronic pulmonary disease | 16 097 (26.9) | Cardiac arrhythmias | 38 084 (63.7) |
| Congestive heart failure | 22 693 (37.9) | Chronic pulmonary disease | 15 877 (26.5) |
| Dementia | 1019 (1.7) | Coagulopathy | 13 187 (22.1) |
| Diabetes with complications | 3311 (5.5) | Congestive heart failure | 22 464 (37.6) |
| Diabetes without chronic complications | 17 063 (28.5) | Deficiency/anaemia | 13 336 (22.3) |
| Hemiplegia or paraplegia | 4562 (7.6) | Depression | 8231 (13.8) |
| Metastatic solid tumour | 8627 (14.4) | Diabetes complicated | 4623 (7.7) |
| Mild liver disease | 2307 (3.9) | Diabetes uncomplicated | 16 821 (28.1) |
| Moderate/severe liver disease | 1996 (3.3) | Drug abuse | 2526 (4.2) |
| Myocardial infarction | 18 123 (30.3) | Fluid and electrolyte disorders | 30 627 (51.2) |
| Peptic ulcer disease | 4037 (6.8) | Hypertension complicated | 265 (0.4) |
| Peripheral vascular disease | 9345 (15.6) | Hypertension uncomplicated | 33 857 (56.6) |
| Renal disease | 13 077 (21.9) | Hypothyroidism | 6468 (10.8) |
| Rheumatoid disease | 2230 (3.7) | Liver disease | 4631 (7.7) |
| Lymphoma | 3319 (5.6) | ||
| Metastatic cancer | 8559 (14.3) | ||
| Neurodegenerative disorders | 0 (0) | ||
| Obesity | 4285 (7.2) | ||
| Neurological disorders | 11 278 (18.9) | ||
| Paralysis | 4824 (8.1) | ||
| Peptic ulcer disease (excluding bleeding) | 1691 (2.8) | ||
| Peripheral vascular disease | 12 963 (21.7) | ||
| Psychoses | 5942 (9.9) | ||
| Pulmonary circulation disorders | 10 471 (17.5) | ||
| Renal failure | 12 605 (21.1) | ||
| Rheumatoid disorders | 2654 (4.4) | ||
| Solid tumour without metastasis | 23 476 (39.3) | ||
| Valvular heart disease | 14 033 (23.5) | ||
| Weight loss | 5857 (9.8) |