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Table 2 Characteristics of BAL subjects used for flow cytometry studies

From: Smoking decreases the response of human lung macrophages to double-stranded RNA by reducing TLR3 expression

Group Smokers Never-smokers pvalue
Subjects, n 13 10  
Sex ratio, M/F 11/2 1/9 0.0006
Age, years (SD) 60.3 (8.9) 42.2 (13.7) 0.002
Smoking, pack-years (SD) 47.4 (33.7) 0 (0) 0.0001
Smoking status (Former/Current) 3/10 0/0 0.0001
FEV1, % pred. (SD) 83.5 (23.6) 100.7 (10.5) 0.077
FEV1/FVC% (SD) 72.5 (14.3) 84.2 (5.7) 0.0249
ICS use (yes/no) 4/9 0/10 N.S.
  1. ICS Inhaled Corticosteroid Use; M Male, F Female. Data are represented as mean (SD), ratio of current smokers to former smokers, or fraction of ICS users (yes/no). All FEV1 values are pre-bronchodilator. p values calculated using Mann Whitney test.