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Volume 16, Number 9—September 2010

Research

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)

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Table 5

Multivariate exact logistic regression for associations with clustering among MDR TB infections, California, USA, 2004–2007*

Strain OR (95% CI) p value
katG S315T 11.2 (2.2– ∞) 0.004
East-Asian lineage 3.1 (0.912.2) 0.08
Sputum smear–positivity 3.1 (0.911.7) 0.07
Refugee status 6.0 (1.236.2) 0.03

*MDR TB, multidrug-resistant tuberculosis; OR, odds ratio; CI, confidence interval.

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