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Title: Effect of delay in diagnosis on the rate of tuberculosis among close contacts of tuberculosis patients
Authors: Aldhubhani, A.H.N.
Mohamed Izham, M.I.
Pazilah, a.
Anaam, M.S.
Issue Date: 2013
Language: English
Abstract: Few studies have explored diagnosis delay by tuberculosis [TB] patients and its effects on the rate of infection among their close contacts. A cross-sectional study of the close contacts of 505 newly diagnosed TB patients was conducted in a TB referral centre in Sana'a, Yemen from 2008 to 2010. Only the close contacts of 89 new TB patients agreed to participate and completed the tuberculin skin test [TST]. Of the 239 close contacts investigated, 133 [55.6%] had a positive TST result. Index patients were classified as long or short diagnosis delay [above or below the median]. There was no significant difference in the number of infected close contacts between long and short delay index patients [Mann-Whitney U-test]. A larger sample size, with more incentives for patients to participate and the use of other investigative tools could provide a better picture of the pattern of TB transmission among all contacts
Description: 837-842
ISSN: 1020-3397
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Appears in Collections:EMRO Journal Articles (EMHJ)

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