Pilot cohort: patient demographics and characteristics at emergency department presentation, 27 April – 3 June 2020
| Demographics | All patients, n=192 |
|---|---|
| Age, years, median (IQR) | 43 (32–55) |
| Female, n (%) | 96 (50.0) |
| Never smoker, n (%) | 97 (50.5) |
| HCW or recent healthcare exposure, n (%) | 45 (23.4) |
| Lives alone, n (%) | 55 (28.6) |
| Characteristics | |
| Day of illness, median (IQR) | 13 (3–28) |
| Oxygen saturation, %, median (IQR) | 98 (97–99) |
| Respiratory rate, breaths per minute, median (IQR) | 18 (17–19) |
| C-reactive protein, mg/L, median (IQR) | 2.2 (0.7–11.0) |
| Chest X-ray abnormality (any), n (%) | 43 (22.4) |
| D-dimer, μg/L, median (IQR)a | 355 (210–585) |
| CTPA positive for pulmonary embolismb | 2/22 |
| Swabbed for SARS-CoV-2 in ED, n (%) | 153 (79.69) |
Missing data: smoking status (10), household status (10), C-reactive protein (16), oxygen saturation (6), respiratory rate (5) and day of illness (5). Twenty patients did not have chest X-rays at ED attendance.
↵a D-dimer was checked in 80 patients (low risk 52; medium risk 22; high risk 6);
↵b 22 patients had CTPAs (low risk 10; medium risk 9; high risk 3). CTPA = computed tomography pulmonary angiography; HCW = healthcare worker; IQR = interquartile range.