Table 2.
Distribution of urinary BPA
| Urinary BPA | Number | Min | 25% | Median | 75% | Max | Mean (95% CI) | SD | GM |
|---|---|---|---|---|---|---|---|---|---|
| Control (ppb) | 249 | 0.110 | 0.685 | 1.269 | 2.370 | 32.390 | 2.050 (1.691−2.409) | 2.875 | 1.273 |
| Case (ppb) | 195 | 0.110 | 0.865 | 1.416 | 2.862 | 46.929 | 2.835 (2.115−3.556) | 5.101 | 1.587 |
| Control (ppb creatinine) | 249 | 0.110 | 0.790 | 1.330 | 2.426 | 17.370 | 2.105 (1.784−2.425) | 2.564 | 1.369 |
| Case (ppb creatinine) | 195 | 0.110 | 1.012 | 1.790 | 3.100 | 38.590 | 2.990 (2.374−3.606) | 4.361 | 1.848 |
BPA, bisphenol A; CI, confidence interval; SD, standard deviation; GM, geometric mean; ppb, parts per billion.