Age | δ-ALA (μg/ml) ± SEM |
---|
|
Non-Exposed
|
Exposed
|
20–35 | 7.3 ± 2.2 | 6.1 ± 2.2*** |
36–45 | 6.7 ± 1.2 | 12.4 ± 3.2*** |
46+ | 6.8 ± 1.4 | 21.7 ± 2.5*** |
- Urinary ALA levels determined as described in the legend of Fig. 1 were compared between similar age groups of exposed and non-exposed subjects. Data were analyzed using F-ANOVA. ***P < 0.001.