TABLE 1.

Cytokine Analyses in Cerebrospinal Fluid and Serum

	Day 4			Day 8
	CSF	SERUM	RATIO	CSF	SERUM	RATIO
Cytokines
IL‐6, pg/ml	2.36	4.48	0.53	2.59	0.97	2.75
IL‐8, pg/ml	>1100	98.3	11.2	97	8.19	11.8
TNF‐α, pg/ml	1.31	2.21	0.59	0.28	1.36	0.20
Glial CSF markers
GFAP, pg/ml	244			271
TREM2, pg/ml	4610			4260
YKL‐40, ng/ml	201			381

GFAP = Glial fibrillary acidic protein; IL‐6 = interleukin 6; IL‐8 = interleukin 8; TNF‐α = tumor necrosis factor alpha; TREM‐2 = triggering receptor expressed on myeloid cells 2; YKL‐40 = Chitinase‐3‐like protein 1.