Document Detail

Evaluation of different types of chest symptoms for diagnosing pulmonary tuberculosis cases in community surveys.
MedLine Citation:
PMID:  18807742     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Prevalence of tuberculosis (TB) is an important epidemiological index to measure the load of the disease in a community. A series of disease surveys were undertaken in rural community in Tiruvallur district in Tamilnadu, south India OBJECTIVE: To investigate the yield of pulmonary tuberculosis (TB) cases by different symptoms status and suggest predominant symptoms for detection of cases in the community based surveys. METHODS: Three disease surveys were conducted during 1999-2006, in a random sample of 82,000 adults aged > or = 15 years to estimate the prevalence and incidence of pulmonary TB. All subjects were screened for chest symptoms and chest radiography. Sputum examination was done among those who were either symptomatic or abnormal on X-ray or both. Cases observed through symptom inquiry were included for analysis. RESULTS: In survey-I, 65.6% had cough of > or = 14 days and yielded 79.1% of the total cases. In surveys II and III, symptomatic subjects with cough contributed 69.5% and 69.2% of the cases respectively. In survey I, 26.8% had symptoms without cough but with at least chest pain > or = 1 month contributed 8.4% of total cases. The corresponding proportions in subsequent surveys were 29.3, 11.5%; and 23.4, 11.2% respectively. The number of symptomatics without cough and chest pain but with fever > or = 1 month was negligible. CONCLUSION: The relative importance of cough as a predominant symptom was reiterated. The yield of pulmonary TB cases from symptomatics having fever of > or = 1 month was negligible. Fever may be excluded from the definition of symptomatics for screening the population in community surveys.
P G Gopi; R Subramani; P R Narayanan
Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Indian journal of tuberculosis     Volume:  55     ISSN:  0019-5707     ISO Abbreviation:  Indian J Tuberc     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-09-22     Completed Date:  2009-01-29     Revised Date:  2009-05-29    
Medline Journal Info:
Nlm Unique ID:  0373027     Medline TA:  Indian J Tuberc     Country:  India    
Other Details:
Languages:  eng     Pagination:  116-21     Citation Subset:  IM    
Tuberculosis Research Centre, Mayor V.R. Ramanathan Road, Chennai-600 031, India.
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MeSH Terms
Chest Pain / epidemiology*
Cough / epidemiology*
Data Collection
Fever / epidemiology*
Hemoptysis / epidemiology*
India / epidemiology
Mass Screening / methods
Mycobacterium tuberculosis / isolation & purification
Radiography, Thoracic
Rural Health / statistics & numerical data
Sensitivity and Specificity
Sputum / microbiology
Tuberculosis, Pulmonary / diagnosis*,  epidemiology*,  microbiology
Young Adult

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