Table 1. Epidemiological and clinical characteristics of patients admitted to hospital with a COPD exacerbation in Spain from 2004 to 2013.
| Description | Data |
|---|---|
| No. of patients | 162338 |
| Males | 135598 (83.5) |
| Age (years) | 75.15 (10.76) |
| Length of stay (days) | 8.37 (7.73) |
| Charlson index | 2.42 (1.73) |
| In-hospital mortality | 9868 (6.1) |
| Comorbid diseases | |
| Myocardial infarction | 6404 (3.9) |
| Congestive heart failure | 31275 (19.3) |
| Peripheral vascular disease | 9087 (5.6) |
| Cerebrovascular disease | 6680 (4.1) |
| Dementia | 4226 (2.6) |
| Connective tissue disease-rheumatic disease | 2394 (1.5) |
| Peptic ulcer disease | 1177 (0.7) |
| Mild liver disease | 7463 (4.6) |
| Diabetes without complications | 39749 (24.5) |
| Diabetes with complications | 2843 (1.8) |
| Paraplegia and hemiplegia | 453 (0.3) |
| Renal disease | 18063 (11.1) |
| Cancer | 10876 (6.7) |
| Moderate or severe liver disease | 760 (0.5) |
| Metastatic carcinoma | 2593 (1.6) |
Values are expressed as absolute number (percentage) and mean (95% of confidence interval).