Table 2.
Urinary cGMP excretion (nmol/mmol creatinine) before and after switching to low-arsenic drinking water.
| Before remediation
|
After remediation
|
|||
|---|---|---|---|---|
| Age (years)a | Males | Females | Males | Females |
| 8–13 | 22.1 ± 3.0 (n = 3) | 27.2 ± 1.7 (n = 4) | 73.7 ± 19.8* (n = 3) | 66.8 ± 22.4* (n = 4) |
| 21–40 | 29.6 ± 3.6 (n = 6) | 33.3 ± 5.5 (n = 15) | 60.1 ± 3.1* (n = 6) | 76.8 ± 7.8* (n = 15) |
| 41–65 | 45.1 ± 10.2 (n = 15) | 42.9 ± 11.1 (n = 11) | 67.2 ± 6.5* (n = 15) | 69.9 ± 8.5* (n = 11) |
Data expressed as mean ± SEM.
a
Age in August 1999.
*
Significantly different (p < 0.05) from measurement taken in August 1999, immediately before the introduction of low-arsenic drinking water.