Table 5.
Clinical information and general data of included patients (COPD = 116 cases; Control = 70 cases).
| Parameters | Group | COPD (N, %) | Control (N, %) |
|---|---|---|---|
| Gender | Male | 66 (56.9) | 31 (44.3) |
| Female | 50 (43.1) | 39 (55.7) | |
| Age (years) | < 70 | 55 (47.4) | 36 (51.4) |
| ≧ 70 | 61 (52.6) | 34 (48.6) | |
| Smoking | Yes | 54 (46.6) | 23 (32.6) |
| No | 62 (53.4) | 47 (67.4) | |
| GOLD grade | 1 | 9 (13.6) | |
| 2 | 33 (28.4) | ||
| 3 | 43 (37.1) | ||
| 4 | 31 (26.7) | ||
| 4 | 31 (31.6) | ||
| mMRC score | 2 | 21 (18.1) | |
| 3 | 52 (44.8) | ||
| 4 | 43 (37.1) | ||
| Clinical history (years) | < 10 | 44 (37.9) | |
| ≧ 10 < 20 | 33 (28.4) | ||
| ≧ 20 | 39 (33.7) |
GOLD grade: 1 = the forced expiratory volume in one second (FEV1) % predicted is more or equal to 80%, 2 = the FEV1% predicted is more or equal to 50%, but less than 80%, 3 = the FEV1% predicted is more or equal to 30%, but less than 50%, and 4 = the FEV1% predicted is less than 30%; mMRC, modified british medical research council for dyspnea scale for symptom classification of COPD.
COPD chronic obstructive pulmonary disease, GOLD Global Initiative for Chronic Obstructive Lung Disease.