Table 1 Baseline characteristics of enrolled patients.
Total (n = 1,878) | |
|---|---|
Age | 68.8 ± 7.9 |
Sex (male, %) | 1,733 (92.3%) |
Height (cm) | 164.5 ± 6.8 |
Weight (kg) | 63.2 ± 10.5 |
BMI | 23.3 ± 3.4 |
TB history (missing = 5) | 426 (22.7%) |
Smoking status (missing = 3) | |
Never smoker | 197 (10.5%) |
Ever smoker | 1,193 (63.6%) |
Current smoker | 485 (25.9%) |
Living area (missing, n = 18) | |
Large city | 1,102 (59.2%) |
Med-small city | 426 (22.9%) |
Rural | 332 (17.8%) |
FVC (L) | 3.3 ± 0.8 |
Predicted FVC (%) | 79.5 ± 16.8 |
FEV1 (L) | 1.7 ± 0.6 |
Predicted FEV1 (%) | 58.4 ± 18.9 |
FEV1/FVC ratio (%) | 51.7 ± 12.2 |
mMRC (missing, n = 2) | 1.2 ± 0.9 |
CAT score (missing, n = 16) | 13.5 ± 8.1 |
SGRQ-c total score (missing, n = 21) | 29.1 ± 20.8 |
Six-minute walk test (m) (missing, n = 436) | 385.7 ± 116.1 |
Past history of exacerbation (missing, n = 737) | 201 (17.6%) |
CCI total score (missing, n = 678) | |
0 | 864 (72.0%) |
1 | 308 (25.7%) |
2 | 21 (1.8%) |
3 | 7 (0.6%) |