Table 3 Chest X-ray/CT features of COVID-19, SARS and MERS patients
| Â | |||
|---|---|---|---|
Image performance | Bilateral, multifocal, peripheral distribution | Unilateral, focal; unilateral, multifocal; bilateral; peripheral distribution | Bilateral, multifocal; isolated unilateral; peripheral distribution |
Normal radiography | 19.90% | 18.40% | 20.00% |
Abnormal radiography | |||
 Ground-glass opacities | 68.92% | 68.48% | 86.36% |
 Crazy paving pattern | 8.56% | 46.27% | 26.67% |
 Consolidation | 26.64% | 65.65% | 50.00% |
 Interlobular septal thickening | 34.54% | 55.22% | 40.91% |
 Air bronchogram | 34.54% | 37.04% | NA |
 Pleural effusion | 3.57% | 17.31% | 54.55% |
 Pneumothorax | Rare | 9.62% | Rare |
 Centrilobular nodules | Not seen | Not seen | Not seen |
 Cavitation | Not seen | Not seen | Not seen |
 Lymphadenopathy | 6.00% | Not seen | Not seen |