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Annual Risk of Tuberculosis infection in Chennai City

Gopi, P G and Venkatesh Prasad, V and Vasantha, M and Subramani, R and Tholkappian, A S and Sargunan, D and Narayanan, P R (2008) Annual Risk of Tuberculosis infection in Chennai City. Indian Journal of Tuberculosis, 55 (3). pp. 157-161. ISSN 0019-5705

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Official URL: http://medind.nic.in/ibr/t08/i3/ibrt08i3p157.pdf

Abstract

Aim: To study the proportion of children infected with Mycobacterium Tuberculosis in Chennai city. Methodology: A cluster sampling methodology was adopted to select an estimated sample size of 7000 children from five corporation zones selected systematically from ten zones of the city. A total of 7098 children aged 1-9 years were subjected to Mantoux and test read; 1897 (27%) from slum area and 5201 (73%) from non-slum area. Results: The prevalence of infection among children without BCG scar was estimated to be 10.5 % (ARTI of 2.0%) and was similar to that among children irrespective of scar status. The prevalence of infection was higher among children in slum areas (11.1%; ARTI 2.1%) compared to non-slum areas (8.9%; ARTI 1.7%); but the difference was not statistically different. Conclusion: The tuberculosis situation in Chennai as measured by risk of infection was higher in urban city area than rural areas and comparable to that found in other cities as reported from earlier studies. This information can be used as baseline information for monitoring the epidemiological trends in Chennai city in future.

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Item Type: Article
Uncontrolled Keywords: Tuberculosis, Annual Risk of Infection
Subjects: Tuberculosis > Epidemiological Research
Tuberculosis
Divisions: Epideimology
Depositing User: Dr. Rathinasabapati R
Date Deposited: 21 Jul 2017 11:28
Last Modified: 21 Jul 2017 11:28
URI: http://eprints.nirt.res.in/id/eprint/898

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