Table 1.

Results of paired serum and CSF analyses

	Serum	CSF
Proteins	52 g/L	44.6 g/L
Albumin	29.4 g/L	22.5 g/L
lambda FLC	<2 mg/L	3.5 mg/L
kappa FLC	4340 mg/L	2290 mg/L
β2‐microglobulin	6.4 mg/L	6.26 mg/L
LDH	1796 U/L	824 U/L
Glucose	1.50 g/L	1.00 g/L

Abbreviations: CSF, cerebrospinal fluid; FLC, free light chain.