Table 1.

IFE results for selected SPE patterns of interest

SPE PatternFollow-up
Immunofixations
Performed
Positive*NegativeTotal Patterns
Observed
Acute phase-like reaction132 (15%)1121
Fibrinogen band present10 (0%)11
Beta zone abnormalities44 (100%)04
Polyclonal hypergammaglobulinemia83 (38%)514
Hypogammaglobulinemia1713 (76%)417
  • * Percentage based on the number of positives from samples with follow-up immunofixation performed, rounded to nearest whole number.Abbreviations: IFE, immunofixation electrophoresis; SPE, serum protein electrophoresis.