INCIDENCE RATE OF EXTRAPULMONARY TUBERCULOSIS IN URMIA CITY DURING 2004-2007

Extra-pulmonary tuberculosis may develop simultaneously in the course of
pulmonary tuberculosis or it may appear years after the primary pulmonary infection. About one-third
of tuberculosis patients have extra pulmonary tuberculosis. This study investigated the incidence extra
pulmonary tuberculosis in Urmia during 2004-2007.
Materials & Methods: This study cross-sectional retrospective study gained the required data of
patients from their documented files. SPSS was used to analyze the data.
Results: From 382 tuberculosis cases, 134 patients with extra pulmonary were identified (incidence
rate of four years = 16.38 per 100,000). The maximum incidence rate (4.44 per 100000) was in 2006
and the minimum incidence rate (3.76 per 100000) was in 2007. Seventy cases (52.2%) were males
and 64 were women (47.8%). Sex proportion was 1/09. Tuberculosis lymphadenitis was the prevalent
form of extra pulmonary tuberculosis.
Conclusion: In this study we observed that extra pulmonary tuberculosis involves more than one-third
of tuberculosis patients and the incidence rate increased during the first three years (2004-2006) and
decreased in the last year (2007)