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Volume 16, Number 9—September 2010


Determinants of Multidrug-Resistant Tuberculosis Clusters, California, USA, 2004–2007

John Z. MetcalfeComments to Author , Elizabeth Y. Kim, S.-Y. Grace Lin, Adithya Cattamanchi, Peter Oh, Jennifer Flood, Philip C. Hopewell, and Midori Kato-Maeda
Author affiliations: Author affiliations: University of California, San Francisco, California, USA (J.Z. Metcalfe, E.Y. Kim, A. Cattamanchi, P.C. Hopewell, M. Kato-Maeda); California Department of Public Health, Richmond, California, USA (S.-Y.G. Lin, P. Oh, J. Flood)

Main Article

Table 3

Multivariate associations with sputum smear positivity in 102 MDR TB infections, California, USA, 2004–2007*

Strain OR (95% CI) p value
katG S315T 0.28 (0.090.89) 0.03
Euro-American lineage† 1.0
East-Asian lineage 0.31 (0.110.88) 0.03
Indo-Oceanic lineage 0.22 (0.060.86) 0.03
Refugee status 2.02 (0.439.45) 0.37

*MDR TB, multidrug-resistant tuberculosis; S315T, serine-to-threonine substitution at position 315; OR, odds ratio; CI, confidence interval.

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