Table 1 Basic characteristics of the cohort
From: Prevalence of different comorbidities in COPD patients by gender and GOLD stage
Males (n = 880) | Females (n = 336) | ||
|---|---|---|---|
P | |||
Mean age (y) | 70.6 ± 9.9 | 69.7 ± 10.2 | ns |
Current smoker (n) | 218 (24.8 %) | 91 (27.1 %) | |
Ex smoker (n) | 516 (58.6 %) | 192 (57.1 %) | |
BMI | 28.6 ± 6.8 | 27.6 ± 5.5 | ns |
FEV1 (% pred.) | 61.0 ± 19.8 | 63.7 ± 22.9 | ns |
FEV1 (L) | 1.4 ± 0.4 | 1.2 ± 0.7 | ns |
FEV1/FVC | 55.2 ± 9.8 | 56.3 ± 9.1 | ns |
C C I | 3.5 ± 1.9 | 3.4 ± 2.2 | ns |