TABLE 1.

Diagnostic Strategies Versus a 2-Plate Culture Gold Standard

Sensitivity (% [95% CI])Specificity (% [95% CI])
Single rapid antigen (OSOM Ultra #1)87.6% (83.2%–92.1%)96.2% (94.7%–97.6%)
Single rapid antigen (OSOM Ultra #2)86.2% (81.5%–90.9%)97.2% (95.9%–98.4%)
Rapid-rapid diagnostic strategy (OSOM Ultra #1 and #2)91.4% (87.6%–95.2%)*95.0% (93.3%–96.6%)
AAP diagnostic strategy (OSOM Ultra #1 and culture 2)95.7% (93.0%–98.5%)*96.2% (94.7%–97.6%)
No. of tests210 Positive677 Negative
  • * McNemar test, P = .01 (AAP diagnostic strategy more sensitive).