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Volume 8, Number 11—November 2002
THEME ISSUE
Tuberculosis Genotyping
Tuberculosis Genotyping Network, United States

Cross-Jurisdictional Transmission of Mycobacterium tuberculosis in Maryland and Washington, D.C., 1996–2000, Linked to the Homeless

Monica Lathan*†, Leonard Ntaate Mukasa*, Nancy Hooper*, Jonathan Golub*, Nancy Baruch*, Donna Mulcahy‡, William Benjamin§, and Wendy A. Cronin*Comments to Author 
Author affiliations: *Maryland Department of Health and Mental Hygiene, Baltimore, Maryland, USA; †American Public Health Association, Washington, D.C., USA; ‡Alabama Department of Health, Montgomery, Alabama, USA; §University of Alabama at Birmingham, Birmingham, Alabama, USA;

Main Article

Table

Selected characteristics among homeless and nonhomeless clustered tuberculosis case-patients, Maryland and Washington, D.C.a,b

Characteristics Homeless
No. (%) Non-homeless
No. (%) p valuec
Gender
Male 13 (92.8) 4 (44.4) 0.02
Female 1(7.2) 5 (55.6)
Median age in years (range) 42 (27–57) 40 (23–61) 0.97
Substance abuse (IV or non-IV)
Yes 5 (35.7) 0 (0.0)
No 9 (64.3) 9 (100.0) 0.11
Alcohol abuse
Yes 9 (64.3) 3 (33.3) 0.21
No 5 (35.7) 6(66.7)
HIV status
Positive 8 (57.1) 1 (11.1) 0.16
Negative 6 (42.9) 6 (66.7)
Unknown 0 (0.0) 2 (22.2)
Smear for AFB
Positive 14 (100.0) 6 (66.7)3 0.05
Negative 0 (0.0) (33.3)
Pulmonary cavities
Present 7 (50.0) 5 (55.6) 1.00
Absent 7 (50.0) 4 (44.4)
Mental illness
Yes 4 (28.6) 1 (11.1) 0.61
No 10 (71.4) 8 (88.9)
Died
Yes 4 (28.6) 1 (11.1) 0.61
No 10 (71.4) 8 (88.9)

aNA, not applicable; AFB, acid-fast bacilli.
bWashington, D.C., cases were preselected on the basis of a homeless history except for case in the nurse.
cFisher exact tests were used to compare demographic and clinical characteristics between the homeless and nonhomeless groups.

Main Article

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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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