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Volume 17, Number 3—March 2011
Dispatch

Molecular Epidemiology of Mycobacterium tuberculosis, Buenos Aires, Argentina

Ximena GonzaloComments to Author , Marta Ambroggi, Ezequiel Cordova, Tim Brown, Susana Poggi, and Francis Drobniewski
Author affiliations: Author affiliations: Hospital de Infecciosas Francisco Javier Muñiz, Buenos Aires, Argentina (X. Gonzalo, M. Ambroggi, E. Cordova, S. Poggi); Clinical Sciences Research Center, London, UK (T. Brown, F. Drobniewski)

Main Article

Table

Demographic information for 157 patients in a study of the molecular epidemiology of TB, Buenos Aires, Argentina, June 1, 2006–April 30, 2007*

Demographic characteristic Patients with MDR TB, n = 57, no. (%)† Patients with non–MDR TB, n = 100, no. (%)‡ p value, OR (95% CI)§
Sex
M 35 (61) 70 (70) 0.271, 1.4667 (0.7404–2.9055)
F
22 (39)
30 (30)

Location
Buenos Aires area 46 (81) 95 (95) 0.004, 4.5435 (1.491–13.845)
Other
11 (19)
5 (5)

Country of birth
Argentina 43 (75) 66 (66) 0.2176, 0.632 (0.3041–1.3133)
Bolivia 6 (11) 20 (20)
Peru 7 (12) 8 (8)
Paraguay 0 3 (3)
Uruguay 1 (2) 1 (1)
Chile 0 1 (1)
Missing data
0
1 (1)

Education
Illiterate or some primary 16 (28) 32 (32) 0.2059, 0.5185 (0.1860–1.4456)
Some secondary or tertiary 7 (12) 27 (27)
Missing data
34 (59)
41 (41)

Occupation
Unemployed 7 (12)
Construction and manual worker 20 (35)
Factory worker 4 (7) 14 (14)
Health care worker 1 (2) 1 (1)
Education, i.e., student and teacher 2 (4) 4 (4)
Housewife 6 (11) 5 (5)
Missing data
17 (30)
23 (23)

HIV infection
Positive 25 (44) 27 (27) 0.04, 0.4737 (0.2308–0.9722)
Negative 25 (44) 57 (57)
Missing data
7 (12)
16 (16)

Nature of TB contact
Close (i.e., household, family, co-worker) 10 (18) 32 (32)
Institution (i.e., hospital, prison) 2 (4) 3 (3)
Casual (e.g., acquaintance) 5 (9) 3 (3)
Missing data
40 (70)
62 (62)

TB presentation
Pulmonary 36 (63) 61 (61) 0.7184, 1.1553 (0.5323–2.5073)
Nonpulmonary 15 (26) 22 (22)
Missing data 6 (11) 17 (17)

*TB, tuberculosis; MDR, multidrug resistant; OR, odds ratio; CI, confidence interval; IQR, interquartile range.
†Median age, y (IQR) for patients with MDR TB: 34 (27–40).
‡Median age, y (IQR) for patients with non-MDR TB: 28.5 (23.0–37.0).
§χ2 test.

Main Article

Page created: July 25, 2011
Page updated: July 25, 2011
Page reviewed: July 25, 2011
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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