Table 1 Baseline characteristics of the study participants
From: Determination of inflammatory biomarkers in patients with COPD: a comparison of different assays
Entire cohort (n = 133) | COPD (n = 88) | Controls (n = 45) | p value* | |
|---|---|---|---|---|
Male sex | 111 (83.5%) | 81 (92%) | 30 (66.7%) | < 0.001 |
Age (years) | 62.5 (9.2) | 65.4 (7.8) | 56.9 (9.2) | < 0.001 |
BMI (kg/m2) | 27.6 (5) | 27.6 (5) | 27.6 (4.9) | NS |
Smoking (pack-yr) | 56.4 (25.9) | 62.2 (25) | 45.3 (24.3) | < 0.001 |
Charlson-age | 3.11 (1.5) | 3.7 (1.2) | 1.8 (1.4) | < 0.001 |
Exhaled CO (ppm) | 8.5 (9.7) | 6.5 (7.7) | 13.9 (12.4) | 0.015 |
FVC (%) | 92.7 (17.4) | 92.7 (19) | 92.8 (13.8) | NS |
FEV1 (%) | 69.1 (23.4) | 58.9 (20.5) | 90 (12.8) | < 0.001 |
Dyspnea (MRC) | 0.86 (0.67) | 0.97 (0.68) | 0.64 (0.6) | 0.009 |