Table 2.
Characteristics of patients who underwent chest computed tomography (CT) in the emergency department (ED), divided into patients with a low suspicion of COVID-19 infection (COVID-19 Reporting and Data System [CO-RADS] scores 1–3) and those with high suspicion of COVID-19 infection (CO-RADS scores 4–5).
| Variables | CO-RADS <4 | CO-RADS 4–5 | p-Value |
|---|---|---|---|
| Patients, n (%) | 65 (54.2) | 55 (45.8) | |
| Age, years, median (IQR) | 67 (51–78) | 70 (62–80) | 0.134 |
| Symptoms | |||
| Dyspnoea | 21 (33.3) | 31 (57.1) | 0.117 |
| Fever | 62 (95.2) | 46 (83.7) | 0.261 |
| Cough | 21 (33.3) | 19 (34.7) | 1.000 |
| Gastrointestinal symptoms | 12 (19.0) | 3 (6.1) | 0.186 |
| Vital signs (95% CI) | |||
| Heart rate (beats/min) | 82 (70–94) | 80 (75–99) | 0.520 |
| Respiratory rate (breaths/min) | 18 (16–20) | 20 (16–26) | 0.001 |
| Systolic blood pressure (mmHg) | 127 (116–141) | 131 (129–144) | 0.040 |
| Oxygen saturation (%) | 96 (94–98) | 93 (88–96) | <0.001 |
| Temperature (°C) | 36.7 (36–37.4) | 37.1 (36.4–38) | 0.034 |
| Chronic diseases | |||
| At least one chronic disease | 43 (66.7) | 45 (81.6) | 0.218 |
| Two or more chronic diseases | 31 (47.6) | 30 (55.1) | 0.609 |
| Positive RT-PCR for SARS-CoV-2 | 13 (20) | 38 (69.1) | <0.001 |
| Clinical diagnosis of COVID-19 | 14 (21.5) | 50 (90.9) | <0.001 |
RT-PCR, reverse-transcription polymerase chain reaction.