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Free Content Making pragmatic sense of data in the tuberculosis laboratory register

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Abstract:

SETTING: Tuberculosis (TB) microscopy network in Moldova, Mongolia, Uganda and Zimbabwe.

OBJECTIVE: To evaluate how scrutinising the information recorded in the TB Laboratory Register can assist in improving the performance of the microscopy laboratory network and TB case management.

METHODS: Review of records for completeness in registration of age, sex, reason for examination, analysis of variability patterns in serial smears and provision of exemplary statistical process charts of scanty positive results over time in the four countries.

RESULTS: A total of 128808 records were analysed. A large proportion of examinees in Uganda (6.9%) and Zimbabwe (3.9%) had no information on sex. The reason for examination was unknown for 7.4%. Among suspects with three smear results with at least one positive result, 56.1% had no variation in the pattern. Statistical process control charts revealed considerable fluctuation in the frequency of scanty positive smears over a calendar year.

CONCLUSION: An analysis of information recorded in the TB Laboratory Register not only identifies strengths and weaknesses in the laboratory, it also reveals weaknesses on a much wider scale, in the entire case management system. TB laboratory data can thus demonstrate when, where and what action is indicated, and how performance might be monitored over time.

Keywords: laboratory; microscopy; statistical process control; tuberculosis

Document Type: Regular Paper

Affiliations: 1: University of Zimbabwe, Harare, Zimbabwe; University Research Co. LLC, Maseru, Lesotho 2: University of Southern Denmark and EpiData Association, Odense, Denmark 3: Kampala City Council, Department of Public Health, Kampala, Uganda; and International Union Against Tuberculosis and Lung Disease, Paris, France 4: Tuberculosis/AIDS Project Coordination Unit, Chisinau, Moldova; and Global Fund to Fight AIDS, TB and Malaria, Geneva, Switzerland 5: National Center for Communicable Diseases, Ministry of Health, Ulaanbataar, Mongolia 6: International Union Against Tuberculosis and Lung Disease, Paris, France

Publication date: March 1, 2008

More about this publication?
  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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