TABLE 2.

Performance of the Binax NOW Streptococcus pneumoniae urinary antigen test in nonpneumococal nasopharyngeal carriers with underlying pulmonary diseases either vaccinated or not with Prevenar

Study group (no. of children)aBinax Now assay result with urine that is:P value for tests with urine that is:b
ConcentratedNonconcentratedConcentratedNonconcentrated
+cWeakly ++Weakly +
Vaccinated (29)1701210619
Nonvaccinated (59)123477652
Both groups0.00050.014
  • a Nonpneumococcal nasopharyngeal carriers.

  • b Statistical significance for P values of <0.05.

  • c Positive (+) columns include both strongly and weakly reacting specimens.