Table S1.
Proportions of physician-verified COPD patients stratified by age, sex, and smoking status in the study cohort (n=12,127)
| COPD
|
Indeterminate
|
Not COPD
|
P-value | |
|---|---|---|---|---|
| n=7,701 | n=1,502 | n=2,924 | ||
|
|
|
|
|
|
| Age, years | ||||
| <65 | 2,183 (53) | 469 (11) | 1,479 (36) | <0.001 |
| ≥65 | 5,518 (69) | 1,033 (13) | 1,445 (18) | |
| Sex | ||||
| Male | 5,884 (66) | 1,137 (13) | 1,950 (22) | <0.001 |
| Female | 1,817 (58) | 365 (12) | 974 (31) | |
| Smoking status | ||||
| Smoker/ex-smoker | 5,998 (70) | 1,462 (17) | 1,144 (13) | <0.001 |
| Never-smoker | 883 (50) | 18 (1.0) | 861 (49) | |
| Unknown | 820 (47) | 22 (1.2) | 919 (52) |