Relationship of ARTI to incidence and prevalence of tuberculosis in a district of south India

Gopi, P G and Subramani, R and Santha, T and Kumaran, P P and Kumaraswami, V and Narayanan, P R (2006) Relationship of ARTI to incidence and prevalence of tuberculosis in a district of south India. International Journal of Tuberculosis and Lung Disease, 10 (1). pp. 115-117. ISSN Print: 1027-3719; Online: 1815-7920

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Abstract

OBJECTIVE: To validate the currently used empirical relationship between annual risk of tuberculous infection (ARTI) and incidence and prevalence of smear-positive cases. SETTING: Two disease surveys to estimate the prevalence and incidence of tuberculosis (TB) among adults in Tiruvallur district, south India, and a tuberculin survey to estimate the ARTI among children. RESULTS: The incidence of TB was estimated to be 82 and prevalence 210 per 100 000 population and ARTI 1.6%. We estimated that 1% ARTI corresponded to 51 new and 131 prevalent cases. CONCLUSION: The currently used empirical relationship between ARTI and incidence can be used by programme managers as an effective monitoring tool.

Item Type: Article
Uncontrolled Keywords: survey; incidence; prevalence; ARTI
Subjects: Tuberculosis > Epidemiological Research
Divisions: Epideimology
Depositing User: Rathinasabapati R
Date Deposited: 10 Dec 2013 09:25
Last Modified: 09 Mar 2016 05:28
URI: http://eprints.nirt.res.in/id/eprint/750

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