Smokers
Non smokers
Age (yrs)
47 (7) [31–58]
43 (8) [29–59]
Gender (M/F)
10/5
BMI (kg/m2)
25 (3) [22–30]
25 (4) [19–30]
FEV1 (% pred)
103 (10) [87–122]
115 (10) [103–137)
FEV1/SVC (%)
78 (6) [69–91)
80 (6) [71–91]
TLC (% pred)
105 (9) [93–119]
106 (11) [94–129]
TLCO (% pred)
79 (10) [65– 96]
101 (31) * [76–184]