Table 1.
Demographic and clinical characteristics of study participants
| Parameter | Patients with ARIs (n = 4880) | Viral infection | ||||
|---|---|---|---|---|---|---|
| Yes (n = 3767) |
No (=1113) |
|||||
| Counts | % | Counts | % | Counts | % | |
| Gender | ||||||
| Male | 2707 | 55.5% | 2120 | 56.3% | 587 | 52.7% |
| Female | 2173 | 44.5% | 1647 | 43.7% | 526 | 47.3% |
| Age group (years) | ||||||
| 0- < 1 (infant) | 857 | 17.6% | 673 | 17.9% | 184 | 16.5% |
| 1- < 3 (toddler) | 2407 | 49.3% | 1962 | 52.1% | 445 | 40.0% |
| 3- < 6 (preschool child) | 1222 | 25.0% | 908 | 24.1% | 314 | 28.2% |
| ≥ 6 (school child) | 394 | 8.1% | 224 | 5.9% | 170 | 15.3% |
| Season of admission | ||||||
| Spring | 1406 | 28.8% | 1095 | 29.1% | 311 | 27.9% |
| Summer | 1306 | 26.8% | 944 | 25.1% | 362 | 32.5% |
| Autumn | 1176 | 24.1% | 960 | 25.5% | 216 | 19.4% |
| Winter | 992 | 20.3% | 768 | 20.4% | 224 | 20.1% |
| Clinical diagnosis | ||||||
| Upper respiratory tract infection | 2383 | 48.8% | 1720 | 45.7% | 663 | 59.6% |
| Croup | 141 | 2.9% | 123 | 3.3% | 18 | 1.6% |
| Lower respiratory tract infection | 2356 | 48.3% | 1924 | 51.1% | 432 | 38.8% |