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Phase 1
|
Phase 2
|
P value
|
|---|
|
COPD cases included in data analysis (n)
|
2358
|
2177
|
/
|
|
Gender
| | |
0.80
|
|
Male
|
1981 (84.0%)
|
1835 (84.3%)
| |
|
Female
|
377 (16.0%)
|
342 (15.7%)
| |
|
Age (years)
|
75.9 ± 10.6
|
75.8 ± 10.7
|
0.82
|
|
< 65 years old
|
368 (15.6%)
|
339 (15.6%)
|
0.97
|
|
≥65 years old
|
1990 (84.4%)
|
1838 (84.4%)
| |
|
Smoker
|
658 (27.9%)
|
661 (30.4%)
|
0.07
|
|
Body Mass Index (BMI, kg/m2)
|
23.1 ± 4.0
|
23.4 ± 4.1
|
0.76
|
|
Underweight (BMI < 18.5)
|
314 (13.3%)
|
263 (12.1%)
|
0.06
|
|
Normal (BMI 18.5–22.9)
|
915 (38.8%)
|
797 (36.6%)
| |
|
Overweight (BMI 23.0–24.9)
|
405 (17.2%)
|
433 (19.9%)
| |
|
Obesity (BMI > 25)
|
724 (30.7%)
|
684 (31.4%)
| |
