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Abstract
Background: Tobacco
smoking is common in the world
and the trend is more in developing
countries. Smoking has a hazardous
effect on respiratory functions.
Smoking is the single most
potent risk factor for the
development of chronic obstructive
airway diseases (COPD). PFT
by a trained professional
gives an indication of lung
health by measuring airway
ailments. Objectives were
to study pulmonary function
test (PFT) in smokers and
non-smokers between 25-45
years.
Materials and Methods:
Healthy male subjects, 120
smokers and 120 non-smokers,
between 25-45 years without
any symptoms were included
as subjects. Patients with
uncontrolled debilitating
diseases were excluded. Collected
data was analysed using Statistical
Package for the Social Sciences
(SPSS) software version 21.
Results:
A total of 240 males, 120
smokers and 120 non-smokers
matched for age, height, and
weight were enrolled in this
study. From the results, the
FEV1, FVC, FEF, FEV1/ FVC
ratio were obtained and analysed.
The mean difference in values
for pulmonary function was
highly significant (P <
0.05) between smokers and
non-smokers. The mean FVC
in smokers was 1.88 ±
0.61 L and in non-smokers
was 2.83 ± 0.55 L.
The decrease in FEV1 in smokers
(1.34 ± 0.47 L) as
compared to non-smokers (2.52
± 0.62 L) clearly indicates
obstructive pulmonary disease.
Conclusions:
Smoking is common in males
between 25-45 years of age.
Smoking is highly associated
with an abnormal PFT. Avoiding
of smoking in any form should
be encouraged and PFTs from
time to time in adults both
smokers and non-smokers will
be useful for early detection
of the respiratory ailments.
Keywords:
COPD, PFT, Smoking
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