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Table 1 Summary for comparison of diagnostic accuracies between the two free light chain assays in patients with multiple myeloma and acute kidney injury

From: Diagnostic accuracy of monoclonal antibody based serum immunoglobulin free light chain immunoassays in myeloma cast nephropathy

 

Siemens

% misclassified by Siemens Test

Yes

No

LCMM

Freelite

Yes

7

1

12.5%

 

No

0

0

IIMM

 

Yes

17

4

19%

  

No

0

0

 
  1. The table above shows the number of patients that tested positive or negative with the Freelite and Siemens FLC assays. The Siemens FLC assay misclassified 5/28 patients with monoclonal FLC >500 mg/L. LCMM – light chain multiple myeloma, IIMM – intact immunoglobulin multiple myeloma.