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Table 3 PIFA versus SRA results*

From: Prospective observational evaluation of the particle immunofiltration anti-platelet factor 4 rapid assay in MICU patients with thrombocytopenia

  (+) positive (-) negative
PIFA (+) positive 2 26
  (-) negative 0 62
  1. PIFA, Particle Immunofiltration Anti-Platelet Factor 4 Rapid Assay; SRA, Serotonin Release Assay.
  2. *Please note that for this analysis we excluded the two patients with inconclusive PIFA results.