Table 1.
Clinical characteristics of children aged ≥ 5 years during Omicron emergence (January 24 to January 30, 2022) and Omicron peak (February 20 to February 26, 2022) period
| Omicron emergence period, January 24 to January 30, 2022 (n = 235, 52.9%) | Omicron peak period, February 20 to February 26, 2022 (n = 209, 47.1%) | |
|---|---|---|
| Age in y, mean (SD) | 11.1 (3.4) | 10.4 (3.4) |
| Male, n (%) | 139 (59.1) | 111 (53.1) |
| Weight in kg, mean (SD) | 41.4 (18.4) | 39.6 (18.1) |
| ART brand, n (%) | ||
| Panbio | 192 (81.7) | 184 (88.0) |
| SD Biosensor | 5 (2.1) | 2 (1.0) |
| BD Veritor | 4 (1.7) | 2 (1.0) |
| Unknown | 34 (14.5) | 21 (10.0) |
| Presence of any respiratory tract infective symptoms, n (%) | 84 (35.7) | 59 (28.2) |
| Day of illness when PCR/ART done, median (IQR)* | 2.0 (1.0-3.0) | 2.0 (1.0-3.0) |
| Runny/blocked nose, n (%) | 47 (20.0) | 41 (19.6) |
| Cough, n (%) | 54 (23.0) | 51 (24.4) |
| Sore throat or hoarse voice, n (%) | 29 (12.3) | 28 (13.4) |
| Fever, n (%) | 64 (27.2) | 50 (23.9) |
| COVID-19 risk, n (%) | ||
| High risk | 32 (13.6) | 54 (25.8) |
| Moderate risk | 48 (20.4) | 34 (16.3) |
| Low risk | 155 (66.0) | 121 (57.9) |
⁎
Persons without any respiratory tract infective symptoms were excluded.