TABLE 3.

Subgroup* of Clinically Significant Individuals: Single Rapid, Rapid-Rapid, and Rapid-Culture Strategies Compared With a 2-Plate Culture Gold Standard

Sensitivity (% [95% CI])Specificity (% [95% CI])
Single rapid antigen (OSOM Ultra #1)90.5% (80.4%–96.4%)96.8% (92.6%–99.7%)
Single rapid antigen (OSOM Ultra #2)90.5% (80.4%–96.4%)96.8% (91.1%–99.3%)
Rapid-rapid diagnostic strategy (OSOM Ultra #1 and #2)93.7% (84.7%–98.2%)96.8% (91.1%–99.3%)
AAP diagnostic strategy (OSOM Ultra #1 and culture 2)96.8% (85.0%–98.3%)97.9% (92.6%–99.7%)
No. of tests63 Positive95 Negative
  • * Patients with scarlatina rash or tonsillar exudate or anterior cervical adenitis without cough or runny nose.