Journal Name:
- Indian Journal of Basic & Applied Medical Research
Key Words:
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Abstract (2. Language):
Introduction: Interpretation of lung function measurements is complicated by the fact that predicted values from the different
published studies vary as much as 20% for an individual subjects. Therefore, having local and native prediction equations for
PFTs will enhance the reliability of the spirometry performed.
Methodology : Data was collected by randomly selecting in total 200 healthy non-smoking individuals.100 were males and 100
females .The oldest subject was 50 years old & youngest 11 years, mean age being 31 years. They were further subdivided into
age groups 11-20, 21-30, 31-40 and 41-50; each group having 50 subjects .Forced vital capacity (FVC), Forced expiratory
volume in first second (FEV1), Percentage of ratio between FEV1 and FVC (FEV1 / FVC %), and Peak expiratory flow rate
(PEFR) were the criteria used for assessment of pulmonary function. The values of FEV1, FVC, FEV1/FVC % and PEFR were
observed to be higher in the age group 21-30 than those falling in age group 11-20 indicating the phase of lung growth.
Results: The results showed a decline in all the parameters after the age of 30 which may be attributed to physiological changes
of the respiratory system occurring due to ageing.
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FULL TEXT (PDF):
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1138-1145