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Duration of symptoms before chest CT and number of false negative chest CT findings in patients with COVID-19
| Duration of symptoms | Number of patients | Number of false negative chest CT findings (frontline general radiologists) | Number of false negative chest CT findings (chest radiologist) |
|---|---|---|---|
| Early (0–2 days) | (n = 2) | 1 | 1 |
| Intermediate (3–5 days) | (n = 3) | 1 | 0 |
| Late (>6 days) | (n = 13) | 0 | 1 |
