Characteristics of the 487 included patients
Total patients included (‘sent home’) (n=487; 100%) | Instructed to stay home (n=392; 80.5%) | Called back (n=95; 19.5%) | Normal ranges (min–max; <max) | |
Gender—female (n; %) | 274 (56.3) | 232 (59.2) | 42 (44.2) | – |
Age (years; mean±SD) | 47.5±17.2 | 46.0±17.9 | 53.7±17.9 | – |
rt-PCR swab positive (n; %) | 161 (33.1) | 105 (26.8) | 57 (60.0) | – |
NEWS (mean±SD) | 1.70±1.42 | 1.60±1.42 | 2.12±1.42 | – |
Peripheral O2 saturation | 98.4%±2.2% | 98.6%±2.3% | 97.8%±2.7% | ≥96% |
Labs (mean±SD) | ||||
White cell count (×109/L) | 7.68±7.61 | 7.73±7.61 | 7.50±7.61 | 4.50–11.00 |
Neutrophils (×109/L) | 4.56±2.46 | 4.46±2.45 | 4.99±2.45 | 1.80–7.70 |
Lymphocytes (×109/L) | 2.24±5.53 | 2.37±5.53 | 1.69±5.53 | 1.00–4.50 |
Monocytes (×109/L) | 0.71±1.84 | 0.71±1.84 | 0.69±1.84 | 0.20–1.00 |
Eosinophils (×109/L) | 0.15±0.21 | 0.16±0.21 | 0.10±0.21 | <0.70 |
Basophils (×109/L) | 0.04±0.02 | 0.04±0.02 | 0.03±0.02 | <0.20 |
Haemoglobin (g/L) | 138.91±15.65 | 139.14±16.62 | 137.95±17.53 | 110–153 |
Platelets (×109/L) | 243.77±71.70 | 131.41±71.44 | 112.64±71.84 | 150–400 |
C reactive protein (mg/dL) | 1.78±3.96 | 1.33±3.96 | 3.62±3.95 | <0.50 |
Procalcitonin (μg/L) | 0.08±0.20 | 0.08±0.20 | 0.08±0.20 | <0.10 |
Lactate dehydrogenase (U/L) | 204.22±57.90 | 198.66±58.25 | 227.02±58.59 | 125–220 |
Creatinine (mg/dL) | 0.96±0.56 | 0.95±0.56 | 1.00±0.56 | 0.90 |
AST (U/L) | 28.92±20.91 | 27.12±20.91 | 36.33±20.91 | 5–34 |
ALT (U/L) | 30.92±37.76 | 28.21±37.76 | 39.95±37.76 | <55 |
CXR* | ||||
Showing pneumonia | 144 | 84 | 60 | – |
Negative or suggestive of disease other than pneumonia | 338 | 303 | 35 | – |
*Five CXRs not performed because these patients declined.
ALT, alanine aminotransferase; AST, aspartate aminotransferase; max, maximum normal value; min, minimum normal value; NEWS, National Early Warning Score; rt-PCR, reverse transcriptase PCR swab for SARS-CoV-2.