Characteristic |
Total(n) |
Before the COVID-19 |
During the
COVID-19 |
Total(n) |
29926 |
12484 |
17442 |
Sex(male/female) |
19125/10801 |
8050/4434 |
11075/6367 |
Age(mean±SD) |
4.59±3.103 |
4.21±3.145 |
4.86±3.043 |
Age group |
|
|
|
Infant(n) |
8535 |
4444 |
3909 |
Preschool(n) |
12388 |
4593 |
12388 |
School(n) |
6566 |
2435 |
6566 |
Adolescence(n) |
2619 |
1015 |
2619 |
Season |
|
|
|
Spring (3-5) (n) |
7660 |
3064 |
4596 |
Summer (6-8) (n) |
8122 |
3306 |
4816 |
Autumn (9-11) (n) |
8154 |
3109 |
5045 |
Winter (12-2) (n) |
5990 |
3005 |
2985 |
allergen(n) |
|
|
|
d1 |
6107 |
2854 |
3253 |
d2 |
4801 |
1990 |
2811 |
e2 |
21510 |
5063 |
16447 |
mx2 |
26334 |
9699 |
16635 |
sycamore |
13645 |
1318 |
12327 |
e1 |
14460 |
1318 |
13142 |
w1 |
19904 |
3932 |
15972 |
elm |
13647 |
1318 |
12329 |
w6 |
19656 |
4156 |
15500 |
i6 |
21593 |
5142 |
16451 |
w14 |
1592 |
1131 |
461 |
t70 |
1592 |
1131 |
461 |
u80 |
19898 |
3932 |
15966 |
f37 |
1592 |
1131 |
461 |