Table 3.

Laboratory and Radiologic Findings in Balamuthia Disease Patients, United States, 1974–2016

Cerebrospinal fluid values	Median (Range)
WBC (cells/μL) (N=64)	106 (0–4100)
% Neutrophil (N=38)	0 (0–90)
% Lymphocyte (N=38)	57 (0–100)
% Monocyte (N=38)	9.5 (0–100)
RBC (cells/ μL) (N=54)	2 (0–44,500)
Protein (mg/dL) (N=62)	105 (0–1042)
Glucose (mg/dL) (N=62)	46 (0–240)
Balamuthia diagnostic testing	N (%)
Indirect Immunofluorescence	61/92 (66)
PCR	43/92 (47)
Histopathology	41/92 (45)
Culture	3/92 (3)
Combination	54/92 (59)
Brain biopsy performed	96/109 (88)