Table 2. Prevalence of subjective symptoms by the subjects in the arsenic-affected and the arsenic-free village, Inner Mongolia.
Arsenic-free village | Arsenic-affected village | |||
n=189 | n=431 | |||
|
|
|||
No. of case | % | No. of case | % | |
Cough | 10 | 5.3 | 151 | 35.0 |
Stomachache | 24 | 12.7 | 189 | 43.9 |
Palpitation | 7 | 3.7 | 51 | 11.8 |
Urination trouble | 2 | 1.1 | 37 | 8.6 |
spontaneous abortion | 4 | 4.0* | 24 | 10.7* |
Arthralgia | 78 | 41.2 | 170 | 39.4 |
* Percentage is based on 99 and 224 female subjects in the arsenic-free and the arsenic-affected village