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Table 2 Subjects characteristics

From: Perforin, granzyme B, and FasL expression by peripheral blood T lymphocytes in emphysema

Variables Normal non-smokers n = 10 Normal smokers n = 10 Emphysematous smokers n = 9
Age, yr 62 ± 2 58 ± 1 60 ± 1
Gender, F/M 3/7 2/8 2/7
FEV 1 , % predicted 112.2 ± 4.6 111.1 ± 4.1 39.6 ± 5.0*
FEV 1 /FVC 95.6 ± 1.8 94.0 ± 5.8 44.6 ± 3.5*
GOLD stage I/II/III/IV - - 0/2/5/2
DLCO, % predicted - - 53.4 ± 17.3
Smoking history, pack-years - 43 ± 4 70 ± 8*
BMI (kg/m 2 ) 26.5 ± 1.1 27.0 ± 1.6 22.2 ± 0.6*
Presence of emphysema**, subjects - - 9
  1. * Significantly different from normal smokers and non-smokers (p < 0.05)
  2. ** Confirmed by CT scanning