Table 4.
General characteristics of 6902 patients with COPD in the COPD primary healthcare cohort study
| Characteristics | Overall (n=6902) |
Men (n=5534) |
Women (n=1368) |
| Age, year | 70.30±9.801 | 70.26±9.508 | 70.48±10.907 |
| Age groups, n (%) | |||
| 18–29 | 13 (0.2) | 8 (0.1) | 5 (0.4) |
| 30–39 | 17 (0.2) | 11 (0.2) | 6 (0.4) |
| 40–49 | 94 (1.4) | 68 (1.2) | 26 (1.9) |
| 50–59 | 866 (12.5) | 670 (12.1) | 196 (14.3) |
| 60–69 | 2029 (29.4) | 1686 (30.5) | 343 (25.1) |
| 70~ | 3883 (56.3) | 3091 (55.9) | 792 (57.9) |
| Smoking exposure, pack-years, n (%) | |||
| 0 | 2174 (31.5) | 963 (17.4) | 1211 (88.5) |
| 1–14.9 | 744 (10.8) | 689 (12.5) | 55 (4.0) |
| 15–29.9 | 1103 (26.0) | 1055 (19.1) | 48 (3.5) |
| ≥30 | 2881 (41.7) | 2827 (51.1) | 54 (3.9) |
| Household biofuel exposure, n (%) | |||
| Yes | 1774 (25.7) | 1299 (23.5) | 475 (34.7) |
| No | 5128 (74.3) | 4235 (76.5) | 893 (65.3) |
| Family history of respiratory diseases, n (%) | |||
| Yes | 1713 (24.8) | 1261 (22.8) | 452 (33.0) |
| No | 5189 (75.2) | 4273 (77.2) | 916 (77.0) |
| mMRC, n (%) | |||
| 0–1 | 2379 (34.5) | 1905 (34.4) | 474 (34.6) |
| ≥2 | 4523 (65.5) | 3629 (65.6) | 894 (65.4) |
| CAT, n (%) | |||
| <10 | 980 (14.2) | 770 (13.9) | 210 (15.4) |
| ≥10 | 5922 (85.8) | 4764 (86.1) | 1158 (84.6) |
| Therapy, n (%) | |||
| SABA or SAMA | 723 (10.5) | 584 (10.6) | 139 (10.2) |
| LABA or LAMA | 2029 (29.4) | 1636 (29.6) | 393 (28.7) |
| LAMA+LABA or ICS+LABA | 2084 (30.2) | 1692 (30.6) | 392 (28.7) |
| ICS+LAMA+LABA | 704 (10.2) | 604 (10.9) | 100 (7.3) |
| ICS | 487 (7.1) | 405 (7.3) | 82 (6.0) |
| Non-inhalation therpy | 875 (12.7) | 613 (11.1) | 262 (19.2) |
Notes: Values are mean (SD) or n (%).
Collected during November 2021 and March 2023.
CAT, COPD Assessment Test; COPD, chronic obstructive pulmonary disease; ICS, inhaled corticosteroids; LABA, long-acting β-agonists; LAMA, long-acting muscarinic antagonist; mMRC, the modified Medical Research Council Dyspnoea Scale; SABA, short-acting β-agonists; SAMA, short-acting muscarinic antagonist.