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Table 3 Comparison of light chain concentrations in cerebrospinal fluid and serum in 17 patients

From: Assessment of free light chains in the cerebrospinal fluid of patients with lymphomatous meningitis – a pilot study

 

κ CSF

κ Serum

λ CSF

λ Serum

κ/λ CSF

κ/λ Serum

Reference (mg/l)

not defned

3.30–19.40

not defined

5.71–26.3

not defined

0.26–1.65

Range (mg/l)

0.2 – 32.6

5.6 – 868.0

0.1 – 16.4

0.7 – 35.9

0.4 – 85.8

0.5 – 1240.0

Mean ± SD

8.1 ± 10.1

80.6 ± 211.6

1.9 ± 3.9

14.5 ± 11.7

12.1 ± 23.9

82.3 ± 308.8

Correlation

+ 0.47

+ 0.26

+ 0.51

P for Difference

< 0.01

< 0.01

0.53