Impact of the COVID-19 Epidemic on Inhalant Allergen Sensitization in Children

Table 4

Differences in the number of allergens sensitized before and during COVID-19.

Number of allergens	Before COVID-19 (n = 12,484) n (%)	During COVID-19 (n = 17,422) n (%)	χ^2	P
0	10,648 (85.3)	11,331 (65.0)	1621.815	<0.001
1	1,060 (8.5)	3,137 (18.0)
2	707 (5.7)	2,227 (12.8)
3	49 (0.4)	526 (3.0)
4	12 (0.1)	139 (0.8)
>4	8 (0.1)	82 (0.5)

Note. This table shows the proportion of people with different positive allergen numbers in the population before and during COVID-19.