Table 2 Assessment of the Expanded Triage against Diagnostic Test (RT-qPCR) in Sputum. (n = 733)
Condition | RT-qPCR SARS-CoV-2 Results | ||
|---|---|---|---|
Positive | Negative | Total | |
Symptomatic subjects | 196 | 319 | 515 |
Asymptomatic subjects | 33 | 185 | 218 |
Total | 229 | 504 | 733 |
Sensitivity | 86% (95%IC:81–90) | ||
Specificity | 37% (95%IC:32–41) | ||
Positive Predictive Value (PPV) | 38% (95%IC:34–42) | ||
Negative Predictive Value (NPV) | 85% (95%IC:80–90) | ||
Accuracy | 52% | ||
Positive likelihood ratio | 1.36 | ||
Negative likelihood ratio | 0.37 | ||
Kappa coefficient | 0.73 (95%IC:69–77) | ||