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Volume 9, Number 12—December 2003

Research

Multidrug-resistant Mycobacterium tuberculosis in HIV-Infected Persons, Peru

Pablo E. Campos*†, Pedro G. Suarez‡§, Jorge Sanchez†, David Zavala‡, Jorge Arevalo‡, Eduardo Ticona‡, Charles M. Nolan*¶, Thomas M. Hooton*, and King K. Holmes*Comments to Author 
Author affiliations: *University of Washington, Seattle, Washington, USA; †Cayetano Heredia University, Lima, Peru; ‡Peruvian Ministry of Health, Lima-Peru; §Asociacion Civil Impacta Salud y Educacion (IMPACTA), Lima, Peru; ¶Public Health Seattle-King County, Seattle, Washington, USA

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Table 3

Demographic characteristics, past medical history, and potential exposures to TB of HIV-infected participants with MDR-TB and without MDR-TBa

Variable HIV-infected with MDR-TB (n = 35) HIV-infected without MDR-TB (n = 46) OR (95% CI) p value

Mean ± SD or %
Mean ± SD or %


Employedb
46
76

0.3 (0.1 to 0.7)
Exposure to TB at workc
6
26

0.2 (0.04 to 0.8)
Exposure to TB at homec
20
13

1.7 (0.5 to 5.5)
Previously treated TBd
29
26

1.1 (0.4 to 3.0)
Duration of symptoms
6.7 ± 5.4
7.8 ± 6.6
0.44

Ambulatory care at health centersb
14
26

0.5 (0.2 to 1.5)
Ambulatory care at hospitalsb
43
37

1.3 (0.5 to 3.1)
Ambulatory care at hospitalse
3924 ± 5749
2737 ± 3361
0.48

Inpatient careb
17
11

1.7 (0.5 to 6.1)
Inpatient MoH hospitalsb
11
11

1.1 (0.3 to 4.3)
Days of hospitalizationb
18 ± 11
30 ± 26
0.36

Diagnosed at hospital “A”
80
52

3.7 (1.3 to 10)
Any exposure to hospitalb
51
39

1.6 (0.7 to 4.0)
HIV support groupb
11
7

1.9 (0.4 to 8.9)
TB prophylaxisd
26
20

1.4 (0.5 to 4.1)
Mo. TB prophylaxis
6.7 ± 5
4.4 ± 3.3
0.27

PCP prophylaxisd
57
44

1.7 (0.7 to 4.2)
Extrapulmonary TB 29 44 0.5 (0.2 to 1.3)

aMDR-TB, multidrug-resistant tuberculosis; OR, odds ratio; CI, confidence interval; MoH, Ministry of Health; PCP, Pneumocystis carinii pneumonia.
bVariables reported by patients to have occurred 12 months before onset of symptoms.
cExposure to someone with TB at work or at home 12 months before onset of symptoms.
dEver in the past.
eAs a continuous variable: total minutes of exposure 12 months before onset of symptoms.

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