Effects of Obesity on Lung Functions in Young Adults

Effects of Obesity on Lung Functions in Young Adults


  • Muhammad Younus
  • Sabah Usman
  • Samia Jawed




Obesity, Spirometry, Lung function test, Body mass index.


Obesity is a global health problem and its prevalence is increasing continuously. It is the fifth leading cause of death worldwide and is associated with decreased lung functions. Objective: This study was designed to compare the pulmonary functions in obese and non-obese subjects. Additionally, we aimed to correlate the body mass index (BMI), waist circumference (WC), and waist-to-hip ratio (WHR) with pulmonary function tests (PFT’s). Material and Methods: This cross sectional comparative study was conducted at the Institute of Chest Medicine, King Edward Medical University, Lahore, Pakistan. One hundred and twenty individuals consisting of 60 obese (30 males, 30 females) and 60 non-obese (30 males, 30 females), fulfilling the inclusion criteria, were enrolled through non-probability purposive sampling. Informed written consent was taken from all subjects. The demographic information of these subjects such as name, age, sex, height, weight, body mass index, waist circumference, and waist-to-hip ratio were recorded. Spirometry of all the subjects was performed on Spirolab iii. Correlation between FVC, FEV1, FEV1/ FVC ratio and body mass index, waist circumference, and waist to hip ratio was measured by Pearson coefficient. A p value ​




How to Cite

Younus, M., Usman, S., & Jawed, S. (2018). Effects of Obesity on Lung Functions in Young Adults. Annals of King Edward Medical University, 24(1), 672–678. https://doi.org/10.21649/akemu.v24i1.2363



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