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Table 1 OPA-uptake and OPA- oxidative burst inter-assay variability for strains 3655, 3224A and MPJ003 (17 sera per strain in triplicate, n = 153)

From: Development of flow cytometric opsonophagocytosis and antibody-mediated complement deposition assays for non-typeable Haemophilus influenzae

Assay Sera with defined CV Mean CV (±SEM)
< 20% < 35% < 40% > 40%
OPA – uptake 42 8 1 0 13.20 (1.10)
OPA – oxidative burst 40 8 2 1 14.63 (1.19)