Validity of Tuberculosis Surveillance Data in California
Author Information
Author(s): Joan E. Sprinson, Elizabeth S. Lawton, Travis C. Porco, Jennifer M. Flood, Janice L. Westenhouse
Primary Institution: California Department of Health Services
Hypothesis
The study aims to assess the validity and completeness of reported tuberculosis case surveillance data in California.
Conclusion
The study found that data validity for most variables was excellent, indicating a robust surveillance system, but identified lower data quality for certain variables impacting treatment adherence.
Supporting Evidence
- At least 90% of values for 35 categorical variables were identical to values in the medical record.
- Concordance for certain variables, such as directly observed therapy, was notably lower.
- The study provides evidence supporting proposed revisions to the TB case report.
Takeaway
This study looked at how accurate the tuberculosis data is in California. It found that most of the data is good, but some important details about treatment are not always correct.
Methodology
The study used a retrospective sample of 594 TB cases, comparing data from medical records to the TB case report.
Potential Biases
Potential underreporting of certain variables due to reliance on medical records.
Limitations
The study may not represent RVCT data validity in other states, and some definitions in the field study do not match RVCT definitions.
Participant Demographics
The study included TB cases reported in California from 1996 to 1997.
Digital Object Identifier (DOI)
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