Table 3.
Correlation Between Chest Radiologists According to the RSNA Expert Consensus Statement on Reporting Chest CT Findings Related to COVID-19.
| COVID-19 appearance | Cramer V | P value | Interpretation |
|---|---|---|---|
| Typical COVID-19 appearance | |||
| Radiologist 1 and radiologist 2 | 0.810 | <.001 | Very strong correlation |
| Radiologist 1 and radiologist 3 | 0.821 | <.001 | Very strong correlation |
| Radiologist 2 and radiologist 3 | 0.831 | <.001 | Very strong correlation |
| Indeterminate COVID-19 appearance | |||
| Radiologist 1 and radiologist 2 | 0.611 | <.001 | Very strong correlation |
| Radiologist 1 and radiologist 3 | 0.669 | <.001 | Very strong correlation |
| Radiologist 2 and radiologist 3 | 0.665 | <.001 | Very strong correlation |
| Atypical COVID-19 appearance | |||
| Radiologist 1 and radiologist 2 | 0.823 | <.001 | Very strong correlation |
| Radiologist 1 and radiologist 3 | 0.842 | <.001 | Very strong correlation |
| Radiologist 2 and radiologist 3 | 0.774 | <.001 | Very strong correlation |
| Negative for pneumonia | |||
| Radiologist 1 and radiologist 2 | 0.960 | <.001 | Very strong correlation |
| Radiologist 1 and radiologist 3 | 0.968 | <.001 | Very strong correlation |
| Radiologist 2 and radiologist 3 | 0.960 | <.001 | Very strong correlation |
Abbreviations: CT, computed tomography; RSNA, Radiological Society of North America.