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Linking smoking with pulmonary function among COPD patients in India
Darshi Rastogi1, Pankaj Kumar Gupta2, Ronak Kumar N Patel1
1Department of Pulmonary Medicine, LN Medical college & JK Hospital, Bhopal, Madhya Pradesh, India.
Bioinformation
|December 30, 2025
Summary
This study found that smoking significantly worsens lung function in Central Indian COPD patients. Quitting smoking is crucial for managing COPD severity and improving patient health outcomes.
Area of Science:
- Pulmonary Medicine
- Respiratory Health
- Clinical Research
Background:
- Chronic Obstructive Pulmonary Disease (COPD) is a major respiratory illness.
- Smoking is a primary risk factor for COPD development and progression.
- Understanding the specific impact of smoking history on lung function in diverse populations is essential.
Purpose of the Study:
- To investigate the correlation between smoking history and pulmonary function in COPD patients.
- To quantify the impact of smoking duration and intensity on lung function parameters.
- To provide evidence supporting smoking cessation interventions for COPD management in Central India.
Main Methods:
- Analysis of spirometry data (FEV1, FVC) from 206 COPD patients.
- Statistical examination of the relationship between smoking history (duration, smoking index) and lung function metrics.
- Retrospective cohort study design.
Main Results:
- A significant negative correlation was observed between smoking history and pulmonary function.
- Lung function parameters, specifically FEV1 and FEV1/FVC ratio, were adversely affected by smoking.
- Increased smoking duration and higher smoking index correlated with poorer lung function.
Conclusions:
- Smoking plays a critical role in exacerbating COPD severity.
- Early intervention and smoking cessation are vital for improving outcomes in COPD patients.
- Findings emphasize the need for targeted smoking cessation programs in Central India.
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