Table 4 Characteristics of subjects and tissue BPA concentrations in cases and controls.
Characteristic | Number | Concentration of BPA in breast adipose tissue, Mean ± SD (ng/g tissue) | ||||
|---|---|---|---|---|---|---|
Cases N = 41 | Controls N = 11 | P value | Cases | Controls | P value | |
Samples with detectable BPA; N (%) | 30 (73.17) | 6 (54.54) | 4.20 ± 2.40 | 1.80 ± 1.05 | 0.008** | |
Age group (y); Mean ± SD | ||||||
Among all samples | 52.68 ± 9.1 | 48.18 ± 4.62 | ||||
Among samples with detectable BPA | 51.37 ± 9 | 47.17 ± 6.11 | ||||
30–49; N (%) | 14 (46.67) | 4 (66.67) | 4.95 ± 2.30 | 1.50 ± 1.05 | ||
50–59; N (%) | 10 (33.33) | 2 (33.33) | 4.20 ± 2.60 | 2.40 ± 0.95 | 0.98 | |
60–69; N (%) | 4 (13.33) | – | 2.85 ± 1.40 | – | ||
69–79; N (%) | 2 (6.67) | – | 1.60 ± 1.20 | – | ||
BMI (Kg/m2); Mean ± SD | ||||||
Among all samples | 26.55 ± 2.82 | 25.91 ± 3.27 | ||||
Among samples with detectable BPA | 26.93 ± 3.05 | 26.91 ± 4.16 | ||||
Recommended weight (18.5–25); N (%) | 9 (30) | 3 (50) | 4.45 ± 2.65 | 1.55 ± 1.40 | ||
Overweight (25–30); N (%) | 17 (56.67) | 2 (33.33) | 3.75 ± 2.30 | 2.30 ± 0.85 | 0.48 | |
Obese (30–35); N (%) | 4 (13.33) | 1 (16.66) | 5.60 ± 2.25 | 1.55 ± 0 | ||
