Table 5.
Baseline Clinical Characteristics of COPD Patients Finished 1 Year of Follow-Up Visit (N=452)
| Baseline Clinical Characteristics | One Year of Follow-Up |
|---|---|
| Age (years), mean ± SD | 61.2±7.9 |
| Male, n (%) | 432 (95.6) |
| BMI, mean ± SD | 22.5±3.3 |
| Educational level, n (%) | |
| Primary school or below | 195 (43.1) |
| Middle school | 179 (39.6) |
| High school | 56 (12.4) |
| College or above | 22 (4.9) |
| Marital status, n (%) | |
| Unmarried | 5 (1.1) |
| Married | 435 (96.2) |
| Divorce | 4 (0.9) |
| Widowhood | 8 (1.8) |
| Smoking history | |
| Never smoker | 81 (18.0) |
| Former smoker | 229 (50.7) |
| Current smoker | 141 (31.3) |
| Lung function, mean ± SD | |
| FEV1, % predicted | 47.3±19.4 |
| FEV1/FVC% | 49.6±12.0 |
| CAT, mean ± SD | 15.0±6.2 |
| mMRC, median (IQR) | 2 (1, 3) |
Note: Mean ± SD for numerical variables, median (IQR) for categorical variables.
Abbreviations: COPD, chronic obstructive pulmonary disease; BMI, body mass index; GOLD, Global Initiative for COPD; CAT, COPD Assessment Test; mMRC, modified Medical Research Council Dyspnea Scale.