a: Unadjusted analyses of the effects of clinical and laboratory factors on Sofia® Influenza A + B fluorescent immunoassay sensitivity as compared to RT-PCR.

Subjects were excluded from analysis if necessary data was missing (1 from sex analysis, 24 from severity analysis). Significant results indicated with an asterisk. b: Unadjusted analysis of the effect of age and Ct value and days from illness onset to specimen collection on sensitivity of Sofia® Influenza A + B fluorescent immunoassay. Significant results indicated with an asterisk.