Table 5.
Number and proportion (%) of patients whose diagnosis were changed, as listed by the following variables: FEV1, age, smoking status, and gender
| Variables | Baseline diagnosis
|
||
|---|---|---|---|
| Asthma | COPD | Mixed disease | |
| Gender | |||
| Male | 4983 (59.3) | 982 (11.5) | 929 (45.8) |
| Female | 5298 (50.4) | 1046 (17.4) | 880 (55.2) |
| Age | |||
| <60yrs | 2948 (44.6) | 390 (18.9) | 369 (42.5) |
| ≥60–≤70 yrs | 3235 (56.0) | 643 (14.1) | 600 (45.5) |
| ≥70 yrs | 4105 (62.7) | 995 (12.5) | 842 (47.0) |
| Smoking status | |||
| Non smoker | 1287 (38.9) | 366 (29.8) | 210 (42.0) |
| Ex-smoker | 4952 (57.0) | 994 (13.2) | 913 (45.7) |
| Smoker | 3663 (60.5) | 585 (11.5) | 601 (47.3) |
| FEV1 | |||
| <1 L | 2430 (79.1) | 383 (8.4) | 511 (52.2) |
| ≥1–≤2 L | 5209 (60.2) | 921 (15.9) | 778 (47.3) |
| ≥2 L | 1397 (31.0) | 499 (36.1) | 227 (47.7) |