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Concordance of MALDI-TOF MS, IFE and routine serum panel (SPEP, IFE and FLC) (n=199)
| IFE + | IFE − | Routine serum panel + |
Routine serum panel − |
|
|---|---|---|---|---|
| MALDI-TOF MS + | 136 | 22 | 143 | 15 |
| MALDI-TOF MS − | 7 | 34 | 15 | 26 |
SPEP: serum protein electrophoresis, IFE: immunofixation electrophoresis, FLC: free light chain, MALDI-TOF MS: Matrix- assisted laser desorption ionization time of flight mass spectrometry
