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Thursday, April 30, 2009
Sadrivaan A and B (The Hilton Istanbul Hotel )
Background: It is known that there is a cluster of unregistered tuberculosis patients in our country due to defects of the notification system and communication problems among institutions. The aims of this study are to estimate tuberculosis (TB) incidence and the number of under-reporting cases and evaluate completeness of tuberculosis notification in Izmir in 2003, 2004, 2005
Method: The data of the tuberculosis cases were collected according to WHO diagnosis criteria from selected hospitals, microbiology and pathology laboratories and matched these data with the records of the Tuberculosis Dispensaries and the notification records of Izmir Provincial Health Directorate. TB incidences according to Tuberculosis Dispensaries registered were determined for each year and estimated incidence calculated using three sources capture-recapture analysis (CARE-1).
Results: The total three year observed data were 3910 TB cases, of those 79.7% were registered at Tuberculosis Dispensaries, 86,4% were found in notification records of Provincial Health Directorate and 60,5% were gathered from the hospitals and laboratories. Totally 3377 new cases were registered at Provincial Health Directorate notification registry for three years and 84.5 % (2856) of those had been recorded and followed up by Tuberculosis Dispensaries. Annual incidence rates which were calculated using Tuberculosis Dispensaries registered cases are 32.5; 28.6; 26.3 per 100 000 respectively for 2003, 2004 and 2005. Using capture-recapture method we estimated incidence rates for 2003, 2004, 2005 respectively, as 43.8 per 100 000 (95% CI, 43.3-44.6), 38.6 per 100 000 (95% CI- 38.1-39.3) and 32.7 per 100 000 (95% CI, 32.3-33.5).
Conclusions: The capture-recapture analysis can be used to estimate total tuberculosis incidence and the completeness of registration. To support and sustain Tuberculosis Dispensaries and trained and experienced staff have crucial importance in our National Tuberculosis Control Program.
Method: The data of the tuberculosis cases were collected according to WHO diagnosis criteria from selected hospitals, microbiology and pathology laboratories and matched these data with the records of the Tuberculosis Dispensaries and the notification records of Izmir Provincial Health Directorate. TB incidences according to Tuberculosis Dispensaries registered were determined for each year and estimated incidence calculated using three sources capture-recapture analysis (CARE-1).
Results: The total three year observed data were 3910 TB cases, of those 79.7% were registered at Tuberculosis Dispensaries, 86,4% were found in notification records of Provincial Health Directorate and 60,5% were gathered from the hospitals and laboratories. Totally 3377 new cases were registered at Provincial Health Directorate notification registry for three years and 84.5 % (2856) of those had been recorded and followed up by Tuberculosis Dispensaries. Annual incidence rates which were calculated using Tuberculosis Dispensaries registered cases are 32.5; 28.6; 26.3 per 100 000 respectively for 2003, 2004 and 2005. Using capture-recapture method we estimated incidence rates for 2003, 2004, 2005 respectively, as 43.8 per 100 000 (95% CI, 43.3-44.6), 38.6 per 100 000 (95% CI- 38.1-39.3) and 32.7 per 100 000 (95% CI, 32.3-33.5).
Conclusions: The capture-recapture analysis can be used to estimate total tuberculosis incidence and the completeness of registration. To support and sustain Tuberculosis Dispensaries and trained and experienced staff have crucial importance in our National Tuberculosis Control Program.
Learning Objectives: 1.Describe the percentage of the TB cases monitored by Tuberculosis Dispensaries in Izmir province 2.Assess TB incidence in Izmir 3.Calculate estimated incidence rates with capture-recapture methods (CARE-1). 4.Discuss problematic areas in the TB notification system
Sub-Theme: Progress on prevention and control of HIV/AIDS, Malaria, and Tuberculosis