Adenosine Deaminase Activity as a Marker for Tuberculous Pleuritis
Author Information
Author(s): Baba Kamaldeen, Hoosen Anwar A., Langeland Nina, Dyrhol-Riise Anne M.
Primary Institution: Institute of Medicine, University of Bergen, Bergen, Norway
Hypothesis
The study aims to evaluate the sensitivity of Adenosine Deaminase Activity (ADA) in pleural fluid in patients with low CD4 counts.
Conclusion
ADA analysis is a sensitive marker of tuberculous pleuritis even in HIV patients with very low CD4 counts.
Supporting Evidence
- The overall sensitivity of ADA was found to be 94%.
- The specificity of ADA was 95%.
- The mean ADA value was higher in patients with lower CD4 counts.
Takeaway
Doctors can use a test called ADA to quickly find out if someone has a type of lung infection called tuberculous pleuritis, even if their immune system is very weak.
Methodology
This was a retrospective case control study reviewing medical files of patients with tuberculous and non-tuberculous pleuritis.
Potential Biases
Potential bias in patient selection and reliance on medical records.
Limitations
The study is retrospective and may have selection bias due to the exclusion of cases without ADA results.
Participant Demographics
The study included 197 patients with tuberculous pleuritis, mean age 35 years, and 40 patients with non-tuberculous pleuritis, mean age 50 years.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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