Adenosine Deaminase as a Diagnostic Test for Tuberculosis
Author Information
Author(s): Gupta Bharat Kumar, Bharat Vinay, Bandyopadhyay Debapriya
Primary Institution: Subharti Medical College, S. V. S. University, Meerut, India
Hypothesis
Can adenosine deaminase levels effectively differentiate between tubercular and non-tubercular serosal effusions?
Conclusion
Adenosine deaminase estimation is a sensitive and specific test that can help in early diagnosis of tuberculosis.
Supporting Evidence
- Adenosine deaminase levels were significantly higher in tubercular effusions compared to non-tubercular.
- The sensitivity of the test for pulmonary disease was 92.80% and for extra-pulmonary disease was 94.29%.
- The specificity of the test was above 90% for both pulmonary and extra-pulmonary diseases.
- Positive predictive values were 92.86% for pulmonary and 89.00% for extra-pulmonary diseases.
- Negative predictive values were 90.00% for pulmonary and 95.92% for extra-pulmonary diseases.
Takeaway
Doctors can use a simple test to check for a substance called adenosine deaminase to help find out if someone has tuberculosis, which can help them start treatment faster.
Methodology
330 patients with various types of serosal effusions were tested for adenosine deaminase levels and classified based on the etiology.
Potential Biases
Potential bias in patient selection and confirmation of tuberculosis diagnosis.
Limitations
The study may not account for all possible causes of elevated ADA levels, and the sample was limited to a specific geographic area.
Participant Demographics
Patients with pleural, ascitic, meningeal, and synovial effusions from India.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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