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Sensitivity and specificity of laboratory culture and rapid strep test in patients recently treated for streptococcal pharyngitis
| Variables | Percentage (%) | 95% Confidence Interval (%) |
|---|---|---|
| Sensitivity | 93.0 | 88–98 |
| Specificity | 88.5 | 84–93 |
| Positive Predictive Value | 80.2 | 73–87 |
| Negative Predictive Value | 96.2 | 93–99 |
| False‐positive rate | 11.5 | 8–17 |
| False‐negative rate | 7.0 | 2–12 |
