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Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of chest CT for diagnosing COVID-19 pneumonia compared to reverse transcription polymerase chain (RT-PCR) and patient outcomes
| Prevalence of disease 56.7% | Prevalence of disease 61.2% | |||
|---|---|---|---|---|
| Radiologist 1 | Radiologist 2 | Radiologist 1 | Radiologist 2 | |
| Sensitivity | 88 | 82 | 89 | 84 |
| Specificity | 84 | 82 | 94 | 92 |
| PPV | 87.5 | 87.5 | 95.9 | 94.4 |
| NPV | 84.6 | 77.1 | 84.4 | 77.1 |
