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Table 1 Demographic and pulmonary function characteristics of 16 COPD patients and 8 control subjects from whose lung biopsies were used for immunohistochemical detection of CD1a+ Langerhans cells and CD83+ mature dendritic cells.

From: Cigarette smoke promotes dendritic cell accumulation in COPD; a Lung Tissue Research Consortium study

  Controls COPD P value
Gender M:F 2:6 9:7  
Age - median (range) 63.5 (56-78) 65.5 (49-78) 0.779
Smoking history (pack years)    
Median (range) 50.0 (2-110) 51.5 (5-180) 0.625
FEV1 (% predicted)    
Median (range) 88.0 (78-107) 43.5 (27-75) <0.001
FEV1/FVC - Median 101.5 59.7 <0.001
DLCO (% predicted)    
Median (range) 62.0 (34-122) 54.0 (27-99) 0.416