Table S2.
Comparisons of clinical characteristics of spirometry-confirmed COPD and other patient cohorts (n=12,127)
| Spirometry-confirmed
|
Other cohorts
|
P-value | |
|---|---|---|---|
| n=5,963 | n=6,164 | ||
|
|
|
|
|
| Age, years | 70.4±11.2 | 69.7±13.2 | 0.003 |
| ≥65 | 4,118 (69.1) | 3,878 (62.9) | <0.001 |
| Male sex | 4,714 (79.1) | 4,257 (69.1) | <0.001 |
| Smoking status | |||
| Smoker/ex-smoker | 4,621 (77.5) | 3,983 (64.6) | <0.001 |
| Never smoker | 696 (11.7) | 1,066 (17.3) | |
| Unknown | 646 (10.8) | 1,115 (18.1) | |
| CCI, excluding COPD | 0.94±1.58 | 0.87±1.48 | 0.012 |
| 0 | 3,430 (57.5) | 3,621 (58.7) | 0.172 |
| ≥1 | 2,533 (42.5) | 2,543 (41.3) | |
| Comorbidities | |||
| Hypertension | 1,998 (33.5) | 2,055 (33.3) | 0.845 |
| Coronary artery disease | 1,111 (18.6) | 1,034 (16.8) | 0.007 |
| Diabetes mellitus | 827 (13.9) | 909 (14.7) | 0.168 |
| Heart failure | 619 (10.4) | 619 (10.0) | 0.538 |
| Cerebrovascular disease | 445 (7.5) | 657 (11.0) | <0.001 |
Abbreviation: CCI, Charlson Comorbidity Index.