The dubious value of cerebrospinal fluid adenosine deaminase measurement for the diagnosis of tuberculous meningitis

Table 2 Breakdown of cases considered for the ‘Confirmed TBM’ category (n = 92)

Patients		Reason for assigning patients to the ‘Confirmed TBM’ category
88 patients	83 patients	Patients admitted to hospital for the first time and were culture positive
88 patients	5 patients	Known patients, where culture positivity was determined in a previous admission during the 2009 – 2010 period; the patient still fell within the 9–12 months treatment period; the CSF specimen in the current admission was negative on culture
4 patients		Patients were positive for acid-fast bacilli on microscopy only^a

^a These four patients where included due to HIV status (including CD4 count < 350 × 10⁶/L) and/or had suspicious radiological findings

ISSN: 1471-2334