Table 1.
Summary of patient characteristics (age, gender and CT findings scored by radiologist) per cohort.
| Training Set (n = 1381) | Independent Validation Set (n = 697) | |||
|---|---|---|---|---|
| CONTROL (n = 1200) | COVID (n = 181) | CONTROL (n = 500) | COVID (n = 197) | |
| Age (years) | 63.8 ± 14.4 | 64.4 ± 15.8 | 64.2 ± 14.0 | 69.1 ± 13.3 |
| Gender (% Male) | 52 | 56 | 51 | 56 |
| Normal (%) | 33 | 4.41 | 25.2 | 25 |
| Neoplasia (%) | 8.73 | 0 | 0 | 0 |
| CAP (%) | 12.50 | 8.10 | 6.6 | 8.6 |
| COPD (%) | 26 | 19.33 | 33.4 | 11.7 |
| Isolated pleurisy (%) | 6.2 | 1.10 | 4.2 | 4 |
| Pulmonary embolism (%) | 0.77 | 1.10 | 0 | 0 |
| Nodule (%) | 19 | 6.62 | 17.2 | 6.6 |
| Chronic inflammation (%) | 8.48 | 5.52 | 13.6 | 3 |
| Pneumothorax (%) | 0.68 | 0 | 0.6 | 0 |
| Isolated atelectasis (%) | 3.68 | 3.31 | 5.4 | 1.0 |