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. 2014 Apr 2;9(4):e88680. doi: 10.1371/journal.pone.0088680

Figure 2. Cerebrospinal fluid – serum ratio of kappa free light chain (Q KFLC) is plotted against CSF-serum ratio of albumin.

Figure 2

Dashed lines indicate the 99% confidence interval of the linear regression line (straight line). The upper 99% confidence interval (dark dashed line) indicate the approximately upper reference value of Q KFLC based on a control group of 77 non-inflammatory neurologic diseases and a range of Q Albumin from 1.9 to 28.2.