Table 1.
Clinical features of population tested for differential diagnosis of SARS-CoV-2 and influenza A/B.
| Sign/Symptom | Total (n = 194) | 0–3 Years (n = 101) | >3 Years (n = 93) |
|---|---|---|---|
| N (%) | N (%) | N (%) | |
| Asymptomatic | 15 (7.7) | 6 (3.1) | 9 (4.6) |
| Symptomatic | 179 (92.3) | 95 (49.0) | 84 (43.3) |
| Body temperature ≥ 37.5 °C | 158 (81.4) | 80 (41.2) | 78 (40.2) |
| Cough | 130 (67.0) | 75 (38.7) | 55 (28.4) |
| Rhinorrhea | 52 (26.8) | 36 (18.6) | 16 (8.2) |
| Nausea/sickness | 51 (26.3) | 20 (10.3) | 31 (16.0) |
| Dyspnea | 48 (24.7) | 31 (16.0) | 17 (8.8) |
| Diarrhea | 13 (6.7) | 8 (4.1) | 5 (2.6) |
| Asthenia | 6 (3.1) | 3 (1.5) | 3 (1.5) |
| Headache | 5 (2.6) | 0 (0.0) | 5 (2.6) |
| Muscle pain | 5 (2.6) | 1 (0.5) | 4 (1.0) |
| Conjunctivitis | 5 (2.6) | 3 (1.5) | 2 (1.0) |
| Not specified | 44 (22.7) | 23 (11.9) | 21 (10.8) |
| Biochemical parameters | 0–3 years (n = 78) | >3 years (n = 74) | |
| C-reactive protein | 1.0 (0.3–3.4) | 1.8 (0.4–5.6) | mg/dL |
| White blood cell count | 10.6 (7.1–14.0) | 9.7 (6.1–13.7) | ×103/μL |
| Neutrophils | 50 (42–61) | 73 (58–83) | % |
| Lymphocytes | 35 (25–43) | 17 (9–26) | % |
| Monocytes | 7.4 (5.5–10.6) | 4.9 (3.4–7.1) | % |
| Eosinophils | 0.5 (0.2–1.3) | 0.35 (0.1–0.7) | % |
| Basophils | 0.4 (0.30–0.60) | 0.3 (0.2–0.6) | % |