TABLE 2.

Comparison of parallel ELISA (Murex and Uniform II) results with parallel SR (Determine and Capillus) results

Parallel ELISA resultNo. (%) of samples with indicated parallel SR result
NegativePositiveDiscordantaTotal
Negative617 (78.2)04 (0.5)621 (78.7)
Positive3 (0.4)142 (18.0)1 (0.1)146 (18.5)
Indeterminateb1 (0.1)001 (0.1)
Discordantc20 (2.5)1 (0.1)021 (2.7)
Total641 (81.2)143 (18.1)5 (0.6)789 (100)
  • a Discordant SR results: positive (P)/negative (N) or N/P.

  • b OD/CO between 1.0 and 1.99.

  • c Discordant ELISA results: P/intermediate (I), I/P, P/N, N/P, I/N, or N/I.