Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website

Original Article

Volume 2, Number 5, October 2010, pages 220-224

Adenosine Deaminase Levels in CSF of Tuberculous Meningitis Patients


Table 1. Distribution of the Cases According to Sex
SexNumber of cases


Table 2. Distribution of the Cases According to Accepted Criteria
GroupNumber of cases
Tuberculous19 (47.5%)
Non-tuberculous21 (52.5%)


Table 3. Distribution of the Cases According to Set Criteria and CSF ADA Levels
GroupNumber of casesADA levels in U/LMean SDt calP-value
*(p < 0.01) shows a highly significant difference between the tuberculous and non-tuberculous groups.
Tuberculous19ADA ≥ 101827.1684
ADA < 100122.7660
Non-tuberculous21ADA ≥ 10026.06194.01730.0007
ADA < 10192.5714(p < .01)*


Table 4. Distribution of the Cases According to True and False Positivity and Negativity and Statistical Accuracy
Cell EntriesNumber of CasesStatistical Indices of Diagnostic AccuracyPercentage
True Positive18Sensitivity94.73%
False Negative01Specificity90.47%
True Negative19Positive predictive valve90.00 %
False Positive02Negative predictive value95.00%