Table 4 Within-group comparisons of blood lead and intestinal barrier integrity indices in the control group by paired t-test
Parameters | Baseline | After 8Â weeks | Mean difference | 95% Confidence interval | p value |
|---|---|---|---|---|---|
Lead (μg/L) | 50.46 ± 27.01 | 43.49 ± 23.77 | 17.174 |  − 3.813 to 38.162 | 0.287 |
DAO activity (U/L) | 7.72 ± 1.78 | 9.11 ± 2.81 |  − 1.032 |  − 2.551 to 0.488 | 0.023 |
d-lactate (mg/L) | 10.82 ± 5.02 | 13.96 ± 9.38 |  − 1.839 |  − 6.429 to 2.751 | 0.017 |
Endotoxin (U/L) | 9.80 ± 1.59 | 10.31 ± 0.93 |  − 0.051 |  − 1.339 to 1.238 | 0.211 |