Table 3.
Disease exacerbation, disease control and spirometry pattern by respondents’ diagnoses among all cohorts across the sites.
| Characteristics | All | Asthma | COPD | Chronic bronchitis | P-value |
|---|---|---|---|---|---|
| (n = 98) | (n = 78) | (n = 16) | (n = 4) | ||
| n (%) | n (%) | n (%) | n (%) | ||
| Exacerbations | |||||
| 0 | 22 (22.4) | 16 (20.5) | 5 (31.3) | 1 (25.0) | 0.756 |
| 1–2 | 53 (54.1) | 43 (55.1) | 9 (56.3) | 1 (25.0) | — |
| 3–5 | 11 (11.2) | 9 (11.5) | 1 (6.2) | 1 (25.0) | — |
| >5 | 12 (12.2) | 10 (12.9) | 1 (6.2) | 1 (25.0) | — |
| ACT* | |||||
| Good (≥20) | 26 (34.0) | 26 (34.0) | — | — | — |
| Poor (≤19) | 50 (66.0) | 50 (66.0) | — | — | — |
| CAT | |||||
| Mild (<10) | 1 (9.1) | — | 1 (9.1) | — | — |
| Moderate (10–20) | 7 (64) | — | 7 (64) | — | — |
| Severe (≥ 21) | 3 (26.9) | — | 3 (26.9) | — | — |
| FEV1* | |||||
| <80% | 64 (66.7) | 50 (52.1) | 12 (75.0) | 2 (50.0) | 0.599 |
| ≥80% | 32 (33.3) | 26 (47.9) | 4 (25.0) | 2 (50.0) | — |
| FVC* | |||||
| <80% | 41 (42.7) | 30 (31.3) | 9 (56.3) | 2 (50.0) | 0.447 |
| ≥80% | 55 (52.3) | 46 (68.7) | 7 (43.7) | 2 (50.0) | — |
| FEV1/FVC ratio* | |||||
| <70% | 55 (57.3) | 44 (58.0) | 9 (56.0) | 2 (50.0) | 0.949 |
| ≥70% | 41 (42.7) | 32 (42.0) | 7 (44.0) | 2 (50.0) | — |
| Severity of airflow obstruction* | |||||
| FEV1 <30% | 6 (6.3) | 4 (5.3) | 2 (12.5) | 0 | 0.207 |
| FEV1 30–49% | 10 (10.4) | 5 (6.6) | 4 (25.0) | 1 (25.0) | — |
| FEV1 50–79% | 48 (50.0) | 41 (54.0) | 6 (37.5) | 1 (25.0) | — |
| FEV1 ≥80% | 32 (33.3) | 26 (34.1) | 4 (25.0) | 2 (50.0) | — |
*
Two missing data among people with asthma.
COPD = chronic obstructive pulmonary disease; ACT = Asthma Control Test; CAT = COPD Assessment Test; FEV1 = forced expiratory volume in first second; FVC = forced vital capacity.