Table 2.

Laboratory examinations and brain imaging in the patients.

Patient	Peripheral blood findings					CSF findings				Brian MRI/CT
	WBC count × 109/L	Neutrophil cell count × 109/L	CRP (mg/L)	PCT (ng/ml)	Na+ (mmol/L)	WBC count × 106/L	Predominant cell	Protein concentration (g/L)	Glucose CSF/blood ratio
1	23	17.6	37.6	3.15	Normal	2,046	M	883	0.29	Abnormal signal in cerebral cortex and subcortical
2	6.91	5.13	17.36	2.25	Normal	398	M	370.1	0.37	Normal
3	12.28	11.48	12.5	0.05	Normal	879	M	920.1	0.43	Normal
4	13.7	9.8	87.28	0.45	Normal	434	M	725	0.17	Brain sulcus widening
5	16.32	11.83	40.35	1.15	123	376	P	471.6	0.38	Normal
6	15.57	10.41	44.01	0.31	Normal	122	M	518	0.37	Normal
7	7.2	6.2	268.45	7.02	124	1,352	M	15,638.5	0.38	Hydrocephalus, parenchymal edema
8	8.16	6.51	64.74	0.2	115	3,083	M	4,737	0.1	Hydrocephalus, parenchymal edema,

WBC, white blood cells; CRP, C-reactive protein; PCT, procalcitonin; CSF, cerebrospinal fluid; M, Monocyte; P, polykaryocyte. Normal ranges of peripheral blood WBCs, neutrophil cells, CRP, PCT, plasma sodium, WBCs and protein concentration of CSF are 5-12 × 10⁹/L, 0.6-7.5 × 10⁹/L, 0–3 mg/L, 0–0.05 ng/ml, 130–150 mmol/L, 0–15 × 10⁶/L and 200–400 g/L, respectively. Abnormal values indicated with italic.