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Volume 2, Number 2—April 1996


Nosocomial Transmission of Multidrug-Resistant Mycobacterium tuberculosis in Spain

John V. Rullán*, Dionisio Herrera*, Rosa Cano*, Victoria Moreno†, Pere Godoy*, Enrique F. Peiró*, Juan Castell*, Consuelo Ibañez*, Arturo Ortega†, Leopoldo Sánchez Agudo†, and Francisco Pozo‡
Author affiliations: Instituto de Salud Carlos III, Ministerio de Sanidad y Consumo *Programa de Epidemiología Aplicada de Campo-Centro Nacional de Epidemiología; †Centro Nacional de Investigación Clínica y Medicina Preventiva; ‡Subdirección General de Salud, Madrid, Spain

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Table 2

Population characteristics: case control study

Variable Case patients (%)
n = 18 Control patients (%)
n = 17 OR (95% CI)a
Mean age (yr) 34.4 35.2 p = 0.30b
Male sex 13 (72.2) 14 (82.3) 1.8 (0.3-12.1)
IVDU 11 (61.1) 11 (64.7) 1.2 (0.2-6.7)
Interval HIV to TB
diagnosis in days 1403 1293 p = 0.79b
CD4 lymphocyte
count, median 112.9 199.5 p = 0.30b

a OR (95% CI) = odds ratio (95% confidence intervals); Fisher’s Exact Test.
b p value for analysis of variance (ANOVA). IVDU = intravenous drug user.

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