Abstract
Obesity exerts negative effects on all the system of the human body,
including the respiratory system and therefore has high mortality and
morbidity rates. This cross-sectional study was designed to find the
relationship of lung function with obesity in healthy subject. The study was
carried out in young females of Lahore College for Women University,
Lahore from January 2017 to June 2017. During this period a total of 180
females were enrolled. Anthropometric measurements and the BMI of
subjects were measured according to standard protocol after taking
written consents. On the basis of body mass Index (BMI) subjects were
divided into three groups normal weight (n=80), overweight (n=29) and
obese (n=71). Respiratory function was measured by peak expiratory flow
rate (PEFR) with the help of wright’s peak flow meter. Demographic data
was presented as mean ± S.E.M. The level of significance was p ≤ 0.05.
The average age of normal weight, overweight and obese subjects were
20.9 ± 2.09 y, 22.9 ± 0.97 y and 19.3 ± 1.87 y respectively. In individuals,
having normal weight correlation between BMI and PEFR was direct and
non-significant (r = 0.17 p > 0.05). In overweight subjects, there was
inverse relationship between BMI and PFM (r = -0.494) and was highly
significant. Similar result were obtained in obese females in which the
inverse association was highly significant (r = -0.580; p < 0.01). It was
concluded that subjects with the increase BMI demonstrated a decline in
respiratory function. However in obese subjects, the peak expiratory flow
rate (PEFR) was more reduced.
SAIMA SHARIF, SHAGUFTA NAZ, FARKHANDA MANZOOR, AYESHA NOOR , ZAHRA JAMIL. (2019) Relationship of lung functions with obesity in healthy subjects, Biologia – Journal of Biological Society of Pakistan, Volume 65 (I), Issue 1.
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