Research Article

Clinical Presentation, Aetiology, and Outcomes of Meningitis in a Setting of High HIV and TB Prevalence

Table 2

Cerebrospinal fluid analysis and clinical outcomes.

BMCMTBMVM
( = 15)( = 9)( = 22)( = 10)

HIV positive, (%)11/13 (85)8/9 (89)15/19 (79)10/10 (100)
% on ART8/11 (73)3/8 (38)11/15 (73)4/10 (40)
CD4 count, median, cells/mm3 (IQR)162 (91–257)18 (12–41)119 (100–277)102 (75–129)

CSF analysis
 Gram stain (+)12/15 (80)0 (0)0 (0)0 (0)
 Bacterial antigen test (+)4/15 (27)0 (0)0 (0)0 (0)
 India ink (+)0 (0)6/9 (67)0 (0)0 (0)
 CSF CRAG (+)0 (0)8/9 (89)0 (0)0 (0)
White blood cells
 Range, cells/mm30–4200–1848–23930–18
 Median, cells/mm3 (IQR)7 (2–147)10 (0–86)217 (58–435)0 (0-0)
 >5 cells/mm3, (%)9/15 (60)5/9 (56)22/22 (100)2/10 (20)
 Lymphocytic pleocytosis2/9 (22)4/5 (80)20/22 (91)2/2 (100)
Glucose
 Median, mmol/L (IQR)3.0 (1.1–3.8)2.0 (1.0–2.9)1.1 (0.6–2.3)3.0 (2.7–3.6)
 <2.2 mmol/L, (%)5/15 (33)5/9 (56)14/22 (64)1/10 (10)
Protein
 Median, g/L (IQR)0.6 (0.4–1.5)1.0 (0.7–1.8)2.0 (1.7–4.4)0.5 (0.4–0.7)
 >0.45 g/L, (%)11/15 (73)8/9 (89)20/22 (91)7/10 (70)

Hospital stay, median days (IQR)11 (9–12)17 (17–23)11 (8–11)23 (23-23)
Mortality rate, (%)6/24 (25)4/24 (17)5/24 (21)9/24 (38)
Fatality rate, (%)6/15 (40)4/9 (44)5/22 (23)9/10 (90)

HIV infection rate expressed as a percentage of patients with known HIV status; expressed as a percentage of patients with HIV infection; positive Gram stain and bacterial antigen results reported for initial and repeat CSF specimens; calculated as a percentage of patients with CSF white cells >5 cells/mm3; BM: bacterial meningitis; CM: cryptococcal meningitis; MN: mononuclear cells; : number of patients; : total number of patients for whom the analysis was performed; PMN: polymorphonuclear cells; TBM: tuberculous meningitis; VM: viral meningitis.