Characteristics | Control group (n = 19) | PQE group (n = 18) | P-value |
---|---|---|---|
Age (years) | 64.58 ± 9.06 | 66.11 ± 9.08 | † 0.611 |
Gender (male/female, n%) | 14 (73.7%) /5 (26.3%) | 15 (83.3%) /3 (16.7%) | *0.693 |
BMI, kg/m2 | 22.90 ± 3.71 | 25.22 ± 0.82 | † 0.058 |
Years of COPD | 11.12 ± 4.66 | 10.28 ± 5.67 | † 0.640 |
COPD stage, n (%) | * 0.834 | ||
Grade I | 2 (11%) | 1 (6%) | |
Grade II | 11 (58%) | 10 (55%) | |
Grade III | 5 (26%) | 7 (39%) | |
Grade IV | 1 (5%) | 0 (0%) | |
mMRC score, n (%) | * 0.598 | ||
Grade 0 | 1 (5%) | 2 (11%) | |
Grade 1 | 3 (16%) | 3 (17%) | |
Grade 2 | 11 (58%) | 12 (67%) | |
Grade 3 | 4 (21%) | 1 (5%) | |
Grade 4 | 0 (0%) | 0 (0%) |