Table 1 Clinical and functional parameters of healthy subjects and COPD patients
From: Circulating serotonin levels in COPD patients: a pilot study
Controls (n = 43) | COPD (n = 43) | |
|---|---|---|
Age (years) | 73 ± 7 | 75 ± 6 |
Gender (F/M) | 9/34 | 9/34 |
BMI (kg/m2) | 26 ± 4 | 27 ± 4 |
Never smoked | 14 (33%) | 10 (23%) |
Current smokers | 3 (7%) | 3 (7%) |
Ex smokers | 26 (60) | 30 (70%) |
FEV1 (L) | 2.8 ± 0.6 | 2.0 ± 0.6** |
FEV1 (% predicted) | 112 ± 14 | 80 ± 18** |
FVC (L) | 3.4 ± 0.7 | 2.9 ± 0.8* |
FVC (% predicted) | 108 ± 15 | 88 ± 15** |
FEV1/FVC | 80.4 ± 3.9 | 66.6 ± 4.8** |
RV (L) | 2.0 ± 0.5 | 3.4 ± 0.9** |
RV (% predicted) | 105 ± 12 | 137 ± 32** |
TLC (L) | 6.0 ± 1.1 | 6.4 ± 1.1 |
TLC (% predicted) | 107 ± 10 | 108 ± 14 |
RV/TLC (%) | 32 ± 3 | 53 ± 9** |