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Volume 15, Number 6—June 2009

Research

Tuberculosis Disparity between US-born Blacks and Whites, Houston, Texas, USA1

Jose A. Serpa, Larry D. Teeter, James M. Musser, and Edward A. GravissComments to Author 
Author affiliations: Baylor College of Medicine, Houston, Texas, USA (J.A. Serpa, E.A. Graviss); The Methodist Hospital Research Institute, Houston (L.D. Teeter, J.M. Musser, E.A. Graviss)

Main Article

Table 2

Characteristics of the 9 largest Mycobacterium tuberculosis clusters, Houston Tuberculosis Initiative, Texas, 1995–2004*

Cluster IS6110 copy no. CDC spoligotype designation Genetic group Participant data
US-born black, no. (%) US-born white, no. (%) Hispanic, no. (%) Asian, no. (%) US-born black vs. white, OR (p value)
H01 12 7760 3777 7760 771 3 96 (9.5) 29 (6.4) 22 (2.44) 4 (1.11) 1.54 (0.051)
H03/H33 20/21 0000 0000 0003 771 1 109 (10.8) 31 (6.9) 8 (0.89) 2 (0.56) 1.65 (0.018)
H02 13 0000 0000 0003 771 1 77 (7.75) 28 (6.2) 20 (2.22) 1 (0.28) 1.25 (0.322)
H15 9 0000 0000 0003 771 1 25 (2.48) 7 (1.5) 6 (0.67) 0 1.62 (0.264)
H07 10 0000 0000 0003 771 1 46 (4.6) 22 (4.9) 11 (1.22) 0 0.94 (0.802)
H16 9 7777 0375 7760 771 2 28 (2.8) 8 (1.8) 5 (0.56) 0 1.59 (0.254)
H04 6 7777 7677 7760 771 2 12,(1.2) 50 (11.1) 10 (1.11) 1 (0.28) 0.10 (<0.001)
L08 2 7777 7677 7760 601 2 55 (5.5) 23 (5.1) 28 (3.11) 2 (0.56) 1.08 (0.770)
L16 3 7777 7677 7760 601 2 26 (2.6) 2 (0.4) 4 (0.44) 0 (0.00) 5.96 (0.015)

*IS, insertion sequence; OR, odds ratio.

Main Article

1Preliminary analysis of data contained in this paper was presented at the 45th Annual Meeting of the Infectious Diseases Society of America, October 4–7, 2007, San Diego, California, USA (abstract no. 346).

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