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Factors associated with recurrent tuberculosis more than 12 months after treatment completion
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Jan 2016
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Source: Int J Tuberc Lung Dis. 20(1):49-56
[PDF-292.56 KB]
Details:
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Alternative Title:Int J Tuberc Lung Dis
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Personal Author:
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Description:Setting
Even in persons with complete treatment of their first tuberculosis (TB) episode, patients with a TB history are at higher risk for having TB.
Objective
Describe factors from the initial TB episode associated with recurrent TB among patients who completed treatment and remained free of TB for at least 12 months.
Design
US TB cases, stratified by birth origin, during 1993–2006 were examined. Cox proportional hazards regression was employed to assess the association of factors during the initial episode with recurrence at least 12 months after treatment completion.
Results
Among 632 US-born patients, TB recurrence was associated with age 25–44 (adjusted hazard ratio [aHR] 1.77, 99% confidence interval [CI] 1.02–3.09, attributable fraction [AF] 1%–34%), substance use (aHR 1.57, 99%CI 1.23–2.02, AF 8%–22%), and treatment supervised by health departments (aHR 1.42, 99%CI 1.03–1.97, AF 2%–28%). Among 211 foreign-born patients, recurrence was associated with HIV infection (aHR 2.24, 99%CI 1.27–3.98, AF 2%–9%) and smear-positive TB (aHR 1.56, 99%CI 1.06–2.30, AF 3%–33%).
Conclusion
Factors associated with recurrence differed by birth origin and might be useful for anticipating greater risk for recurrent TB among certain patients with a TB history.
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Pubmed ID:26688528
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Pubmed Central ID:PMC5082738
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Volume:20
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Issue:1
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