Table 2.
Symptoms, signs, and main analytical findings at admission
| Symptoms and signs | |||
| Admission SatO2 (%) | 93.0 (89.5–98.0) | 96 (93–98) | 0.075 |
| Asymptomatic | 10 (3.4%) | 7 (3.1%) | 0.911 |
| Dyspnea | 166 (55.9%) | 126 (56.5%) | 0.853 |
| Tachypnea (> 20 bpm) | 55 (18.5%) | 21 (9.4%) | 0.004 |
| Asthenia | 105 (35.4%) | 62 (27.8%) | 0.052 |
| Hypo/anosmia | 26 (8.8%) | 22 (9.9%) | 0.621 |
| Dysgeusia | 20 (6.7%) | 23 (10.3%) | 0.125 |
| Sore throat | 18 (6.1%) | 13 (5.8%) | 0.944 |
| Fever (> 38 °C) | 241 (81.1%) | 196 (87.9%) | 0.043 |
| Cough | 230 (77.4%) | 173 (77.6%) | 0.912 |
| Vomiting | 23 (7.7%) | 11 (4.9%) | 0.221 |
| Diarrhea | 78 (26.3%) | 48 (21.5%) | 0.251 |
| Myalgia | 93 (31.3%) | 82 (36.8%) | 0.135 |
| Main analytical findings | |||
| Creatinine (mg/dl) | 0.80 (0.65–1.00) | 0.79 (0.66–0.96) | 0.875 |
| Leukocytes (U/mm3) | 5900 (4600–8300) | 5800 (4500–7900) | 0.674 |
| Lymphocytes (U/mm3) | 900 (600–1400) | 1000 (600–1300) | 0.733 |
| Platelets (103 U/mm3) | 194 (146–255) | 205 (150–257) | 0.523 |
| Raised d-dimer (> 500 ng/ml) | 186 (62.6%) | 130 (58.3%) | 0.223 |
| Raised procalcitonin (> 0.05 ng/ml) | 76 (25.6%) | 49 (22%) | 0.286 |
| Raised C-reactive protein (> 0.5 mg/dl) | 279 (93.9%) | 200 (89.7%) | 0.036 |
| Raised troponin I (> 0.05 ng/ml) | 17 (5.7%) | 10 (4.5%) | 0.528 |
| Raised transaminases (> 40 U/l) | 142 (47.8%) | 104 (46.6%) | 0.775 |
| Raised ferritin (> 340 mg/dl) | 176 (59.3%) | 132 (59.2%) | 0.767 |
| Raised lactate dehydrogenase (> 480 U/l) | 225 (75.8%) | 167 (74.9%) | 0.435 |