Clinical characteristics at the time of presentation to hospital
| Characteristic | No. (%)* | ||
|---|---|---|---|
| All patients n = 100 | Non-ICU patients n = 68 | ICU patients n = 32 | |
| Presenting symptom for > 20% of patients | |||
| Cough | 71 (71.0) | 50 (73.5) | 21 (65.6) |
| Fever | 62 (62.0) | 37 (54.4) | 25 (78.1) |
| Dyspnea | 63 (63.0) | 40 (58.8) | 23 (71.9) |
| Fatigue | 51 (51.0) | 35 (51.5) | 16 (50.0) |
| Diarrhea | 32 (32.0) | 23 (33.8) | 9 (28.1) |
| Myalgia | 25 (25.0) | 13 (19.1) | 12 (37.5) |
| Headache | 23 (23.0) | 13 (19.1) | 10 (31.3) |
| Vital signs at hospital presentation | |||
| Temperature > 38°C | 36/98 (36.7) | 19/67 (28.4) | 17/31 (54.8) |
| Heart rate > 100 beats/min | 31/96 (32.3) | 18/66 (27.3) | 13/30 (43.3) |
| Systolic blood pressure < 90 mm Hg | 3/98 (3.1) | 2/67 (3.0) | 1/30 (3.3) |
| Respiratory rate > 24 breaths/min | 42/95 (44.2) | 23/67 (34.3) | 19/28 (67.9) |
| Oxygen saturation < 92% | 20/98 (20.4) | 8/67 (11.9) | 12/31 (38.7) |
| Supplemental oxygen therapy at clinical presentation | 35/99 (35.4) | 18/67 (26.9) | 17/32 (53.1) |
| Laboratory results at hospital presentation, mean ± SD | |||
| Leukocyte count, ×109/L | 10.6 ± 13.2 | 11.0 ± 15.4 | 10.0 ± 6.1 |
| Lymphocyte count, ×109/L | 3.3 ± 12.9 | 4.2 ± 15.5 | 1.3 ± 1.3 |
| Creatinine, μmol/L | 110.5 ± 80.1 | 106.9 ± 62.6 | 118.5 ± 110.8 |
| LDH, U/L | 416.3 ± 253.0 | 367.4 ± 177.5 | 563.0 ± 391.1 |
| Ferritin, μg/L | 1702.6 ± 2154.4 | 1772.1 ± 2372.3 | 1424.4 ± 998.2 |
| CRP, mg/L | 97.6 ± 83.5 | 87.9 ± 75.8 | 126.8 ± 101.9 |
| d-dimer, μg/L | 1198.9 ± 1311.5 | 956.0 ± 789.4 | 1603.7 ± 2093.1 |
| Troponin, ng/L | 31.8 ± 42.1 | 36.3 ± 46.8 | 18.1 ± 17.5 |
| Fibrinogen, g/L | 7.5 ± 0.5 | 7.4 ± 0.7 | –† |
| pH on blood gas | 7.4 ± 0.1 | 7.4 ± 0.1 | 7.4 ± 0.1 |