Clustering of Pulmonary Tuberculosis in Hamadan Province, western Iran: A Population Based Cross Sectional Study (2005-2013)

Meysam Olfatifar, Manoochehr Karami, Syed Mehdi Hosseini, Masoud Parvin

Abstract


Background: This study was conducted to detect clusters of pulmonary TB cases in Hamadan Province, west of Iran.

Methods: All patients with pulmonary tuberculosis recorded in the surveillance system from 2005 to 2013 were studied. The spatial scan statistic was used to detect significant clusters in status of unadjusted and adjusted for age, sex and location residence variables.

Results: Clusters with high rate for both purely spatial and space-time analyses were seen in the same geographical areas composed of four city of Asadabad, Bahar, Toyserkan and Nahavand. Adjustment for mentioned variables did not change location of detected clusters with high rates.

Conclusions: Findings revealed evidence of significant clusters in Hamadan Province. Study results may help the health system to develop effective public health interventions and extend preventive interventions. However more study are needed to better explain of detected clusters due to limited access to effecting factors.

 


Keywords


Epidemiology; Spatial Analysis; Pulmonary Tuberculosis

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