Table 1 Clinical characteristics
From: Comprehensive characterisation of pulmonary and serum surfactant protein D in COPD
subjects | age | gender | FEV1 [% predicted] | FEV1/FVC [%] | Pack years |
|---|---|---|---|---|---|
healthy non-smokers (n = 10) | 25.8 ± 1.4# | 7 F, 3 M | 106.1 ± 3.0# | 79.8 ± 2.1# | 0# |
young smokers (n = 10) | 30.7 ± 2.9# | 3 M, 7 F | 97.8 ± 3.9# | 78.8 ± 2.0# | 14.9 ± 4.4#. |
elderly smokers (n = 20) | 52.8 ± 1.4* | 14 M, 6 F | 112.8 ± 3.3# | 74.7 ± 1.0# | 38.6 ± 5.5* |
smokers with COPD (n = 20) | 55.0 ± 1.4* | 14 M, 6 F | 60.5 ± 1.5* | 46.9 ± 2.2* | 48.0 ± 2.7* |