Table 2 Level of certainty for COVID-19 based on CT findings using in-house radiology classification
Level of certainty for COVID-19 | COVID-19 CT classification | Group A (n = 107) abs. no (%) | Group B (n = 46) abs. no (%) |
|---|---|---|---|
Low | No signs of COVID-19 CT features (category 0) | 4 (4) | – |
Low | Infiltration or consolidation not typical for COVID-19 (category 1) | – | 4 (2) |
Low | Early stage of COVID-19 infection possible (category 2) | 17 (18) | 30 (14) |
High | Typical CT features compatible with early COVID-19 (category 3) | 23 (25) | 20 (9) |
High | Typical CT features compatible with advanced COVID-19 (category 4) | 56 (60) | 46 (21) |