Table 5.
Comparison of Aluminum concentration in central and peripheral regions of the tumors, and normal breast tissue
| Aluminum concentration per tumor region (mg/kg) | ||||
|---|---|---|---|---|
| |
Central |
Peripheral |
Normal |
|
| Mean |
1.88 |
2.10 |
1.68 |
p-value* |
| Standard deviation |
3.60 |
5.67 |
11.1 |
0.88 |
| |
Cancer regions grouped |
Normal |
|
|
| Mean |
1.99 |
1.68 |
p-value* |
|
| Standard deviation |
3.46 |
11.1 |
0.74 |
|
|
Two-by-two comparisons of the tumor regions |
Mean difference |
p-value* |
|
|
| Central-Peripheral |
0.67 |
0.96 |
|
|
| Central-Normal |
0.83 |
0.97 |
|
|
| Peripheral-Normal | 0.67 | 0.87 | ||
*Paired t-tests were used to evaluate the within-individual variations in Aluminum concentrations. Log-transformed (to base e) data were used (see statistics section) in order to conform to normality.