Table 4 Diagnostic tests performed on patients with no definite diagnosis (n = 44)
Tests | Patients, No. (%) |
|---|---|
Microbiology analysis | |
Gram stain | 15 (34.11) |
Indian ink stain | 1 (2.3) |
Cultures | |
Blood culture | 42 (95.5) |
CSF bacterial culture | 42 (95.5) |
CSF fungal culture | 13 (29.5) |
Serology tests | |
VDRL or RPR | 17 (38.6) |
Wright or 2ME | 19 (43.2) |
Cryptococcal antigen | 4 (9.0) |
CSF cytology | 4 (9.0) |
CSF PCR tests | |
TB | 6 (13.6) |
HSV | 6 (13.6) |
BK virus | 2 (4.5) |
CMV | 3 (6.8) |
Brain biopsy | 2 (4.5) |