Association of smoking with some aspects of pulmonary tuberculosis in Central Chest Clinic, Colombo

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Date

2011

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Sri Lanka Medical Association

Abstract

INTRODUCTION AND OBJECTIVES; to study the association of smoking with some aspects of sputum positive pulmonary tuberculosis (SP-PTB) in Central chest clinic, Colombo (CCC). Methods: This descriptive cross-sectional study recruited 99 consecutive SP-PTB patients (both new and re treatment) registered in CCC and produced treatment outcome as cured, treatment completion or treatment failures. Data were collected by the principal investigator using a questionnaire and data extraction sheet. Smoking status was categorised into ever smoked and never smoked. Pre-treatment sputum status was categorised as <1+ (scanty/ 1+) and >2+ (2+/S+). Chi-square test was used as significance test. RESULTS: Of the 29 female participants, only one had ever smoked in life. Hence, only males were included in the subsequent analysis. Among males, 56 (80.0%) answered as ever smoked and 21 (30.0%) were current smokers. Median age was 50 years (IQR: 45 to 60) among those ever smoked and 46 years (IQR: 21 to 51) among those never smoked. Smoking status was not associated with sputum status of first smear (p=0.53). Smoking status was significantly associated with sputum status of second smear (p=0.02), third smear (p=0.001) and pretreatment smear p=0.04). Association was not significant with smoking status and category of treatment (p=0.4), delay in sputum conversion (p=0.43), chest X-ray findings such as upper lobe infiltration (p=0.62), cavitation (p=0.1) and multiple lobe involvement (p=0.2). CONCLUSIONS: Prevalence of smoking was higher in patient with sputum positive pulmonary tuberculosis. Second and third sample showed significant positivity in smokers than non smokers.

Description

Poster Presentation Abstract (PP49), 124th Annual Scientific Sessions, Sri Lanka Medical Association, 2011 Colombo, Sri Lanka

Keywords

pulmonary tuberculosis

Citation

The Ceylon Medical Journal. 2011; 56(Supplement 1):66

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