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Smoking Rates and Disease Severity in COVID-19 Patients at Masih Deneshvari Hospital
Zahra Hessami1, Maryam Vasheghani2, Hooman Sharifi1
1Tobacco Prevention and Control Research Center (TPCRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Tanaffos
|April 24, 2026
Summary
Smoking is prevalent in COVID-19 patients, with smokers experiencing longer hospital stays. Public health programs should encourage smoking cessation to mitigate health system burdens.
Area of Science:
- Respiratory Medicine
- Infectious Diseases
- Public Health
Background:
- Smoking is a significant risk factor for respiratory diseases and viral infections.
- Understanding smoking prevalence in COVID-19 patients is crucial for public health.
- Masih Daneshvari Hospital served as the study site for patient data collection.
Purpose of the Study:
- To investigate the smoking status of patients diagnosed with COVID-19.
- To analyze the correlation between smoking and hospitalization outcomes in COVID-19 patients.
Main Methods:
- Retrospective analysis of 776 COVID-19 patients admitted between April 2019 and June 2020.
- Data collected from hospital registration records, including demographics and hospitalization details.
- Comparison of hospitalization duration, ICU admission, and mortality between smokers and non-smokers.
Main Results:
- Out of 776 COVID-19 patients, 178 (23.4%) were smokers.
- Smokers had a significantly higher rate of hospitalization exceeding three weeks (25.3%) compared to non-smokers (6%).
- No significant differences were observed in intensive care unit admission or mortality rates between smokers and non-smokers.
Conclusions:
- A high prevalence of smoking was observed among hospitalized COVID-19 patients.
- Smokers experienced longer hospitalizations, posing potential challenges for healthcare systems.
- Promoting smoking cessation is recommended as a key component of public health initiatives for respiratory and viral infections.
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