Table S2.
Relationship between the different comorbidities in the Charlson comorbidity index and the CAT score
| Comorbidity absent | Comorbidity present | P-value* | |
|---|---|---|---|
| Cardiovascular diseases (any) | 17.1 (7.1) | 21.4 (7.8) | <0.001 |
| Acute myocardial infarction | 18.1 (7.4) | 20.2 (8.6) | 0.010 |
| Heart failure | 17.5 (7.2) | 23.7 (7.7) | <0.001 |
| Peripheral arterial disease | 17.9 (7.5) | 21.8 (7.1) | <0.001 |
| Cerebrovascular disease | 18.2 (7.5) | 19.9 (8.2) | 0.081 |
| Hemiplegia | 18.3 (7.6) | 16.7 (3.5) | 0.681 |
| Dementia | 18.2 (7.5) | 20.8 (8.3) | 0.175 |
| Connective tissue disease | 18.3 (7.6) | 18.1 (6.7) | 0.899 |
| Gastroduodenal ulcer | 18.0 (7.5) | 21.1 (7.8) | <0.001 |
| Hepatic diseases (any) | 18.1 (7.5) | 22.4 (7.4) | <0.001 |
| Diabetes (any) | 17.3 (7.5) | 20.2 (7.6) | <0.001 |
| Chronic renal failure | 18.2 (7.5) | 21.5 (8.1) | 0.041 |
| Neoplasms (any) | 18.2 (7.5) | 19.5 (8.9) | 0.291 |
Notes: Data expressed as mean (standard deviation) of CAT punctuation.
*
Calculated by unpaired t-test.
Abbreviation: CAT, COPD Assessment Test.