Table 2.
Comorbidities defined by Elixhauser coding algorithms* in axial spondyloarthritis patients (N = 1776)
| Comorbidity | Prevalence (%) |
|---|---|
| Hypertension | 51.6 |
| Uncomplicated | 44.4 |
| Complicated | 7.2 |
| Depression | 25.6 |
| Chronic pulmonary disease | 23.4 |
| Diabetes | 16.0 |
| Complicated | 8.7 |
| Uncomplicated | 7.3 |
| Cardiac arrhythmias | 14.2 |
| Obesity | 14.2 |
| Hypothyroidism | 13.6 |
| Osteoporosis | 13.0 |
| Liver disease | 11.7 |
| Peripheral vascular disorders | 8.6 |
| Solid tumour without metastasis | 8.3 |
| Valvular disease | 8.1 |
| Renal failure | 7.5 |
| Congestive heart failure | 5.7 |
| Deficiency anaemia | 5.6 |
| Fibromyalgia | 4.4 |
| Other neurological disorders | 3.6 |
| Coagulopathy | 2.9 |
| Fluid and electrolyte disorders | 1.8 |
| Weight loss | 1.6 |
| Alcohol abuse | 1.6 |
| Metastatic cancer | 1.4 |
| Peptic ulcer disease excluding bleeding | 1.3 |
| Pulmonary circulation disorders | 1.2 |
| Paralysis | 1.2 |
| Drug abuse | 1.1 |
| Lymphoma | 0.6 |
| Psychoses | 0.5 |
| Blood loss anaemia | 0.1 |
| AIDS/HIV | 0 |
*Excluding rheumatoid arthritis/collagen vascular diseases and including osteoporosis and fibromyalgia