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Volume 2, Number 2—April 1996

Dispatch

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 3

Variables associated with MDRTB

Variable Case patients (%)
n = 18 Control patients (%)
n = 17 OR (95%)
Prior admission
to HIV ward
Yes 13 (76.4) 5 (29.4) 6.2 (1.2-37.2)
No 5 (23.6) 12 (70.6)
Possible ward exposure days
None 5 (27.8) 10 (58.8) 1.0
1-30 6 (33.3) 5 (29.4) 2.4
30 7 (38.9) 2 (11.8) 7.0, p = 0.03b
Outcome
Death 17 (94.4) 5 (29.4) 40.8 (3.6-1842)
Discharge 1 (5.6) 12 (70.6)

a OR (95% CI) = odds ratio (95% confidence intervals); Fisher’s Exact Test.
b Chi-square for linear trend.

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