From: Hydrofluoric acid burns in the western Zhejiang Province of China: a 10-year epidemiological study
Age (Years)
Csaes
N
Percent (%)
<10
2
0.99
10 ~ 19
4
1.99
20 ~ 29
35
17.41
30 ~ 39
68
33.83
40 ~ 49
66
32.83
50 ~ 59
23
11.44
>60
3
1.49