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. 2022 May 7;12(5):677. doi: 10.3390/biom12050677

Figure 1.

Figure 1

Box-plots showing median (±IQR) CSF (a) and serum (b) KFLC concentrations (mg/L), and K-index (CSF KFLC/Serum KFLC)/(CSF Albumin/serum Albumin) values (c) of the 15 samples across laboratories using Binding Site instruments and assays (B), Siemens instruments and assays (S) or a Siemens instrument coupled with a Binding Site assay (mixed). Upper whiskers show the upper adjacent value (UAV) (largest observation ≤ (third quartile + 1.5 × IQR)); lower whiskers show the lower adjacent value (LAV) (smallest value ≥ (lower quartile − 1.5 × IQR)); black dots show outliers (greater than the UAV or lower than the LAV).