Table 2. The seasonal distribution of HAdV-positive cases in children with ARD during 2010–2012.
| Year | Spring (March–May) | Summer (June–August) | Autumn (September–November) | Winter (December–February) | All | p value |
|---|---|---|---|---|---|---|
| 2010 | 1/14 (7.14%) | 5/77 (6.49%) | 11/256 (4.3%) | 10/68 (14.71%) | 27/415 (6.51%) | 0.026* |
| 2011 | 18/214 (8.41%) | 7/73 (9.59%) | 6/111 (5.41%) | 10/204 (4.9%) | 41/602 (6.81%) | 0.352 |
| 2012 | 9/281 (3.2%) | 21/280 (7.5%) | 1/125 (0.8%) | 0/242 | 31/928 (3.34%) | <0.001* |
| Total | 28/509 (5.5%) | 33/430 (7.67%) | 18/492 (3.66%) | 20/514 (3.89%) | 99/1945 (5.09%) | 0.021* |
| p value | 0.028* | 0.763 | 0.125 | <0.001* | 0.004* |
The percent are the ratios of HAdV-positive cases to all ARD cases in the corresponding season. “*” indicates a significant difference between seasons or years.