Table 5.
Descriptive statistics for UHPLC–MS/MS measurements of AH samples taken from the entire population of the studied subjects (n = 44).
| Parameter | BPA-1 | BPA-2 | BPA-Free |
|---|---|---|---|
| Mean [ng mL−1] | 0.8809 | 0.9191 | 0.3857 |
| Standard error | 0.2285 | 0.2261 | 0.2021 |
| Median | 0 | 0 | 0 |
| Mode | 0 | 0 | 0 |
| Standard deviation | 1.5157 | 1.4998 | 1.34055 |
| Sample variance | 2.2973 | 2.2494 | 1.7971 |
| Kurtosis | 7.7144 | 4.6902 | 35.4541 |
| Skewness | 2.4863 | 2.02203 | 5.7367 |
| Range | 7.51 | 6.87 | 8.65 |
| Minimum | 0 | 0 | 0 |
| Maximum | 7.51 | 6.87 | 8.65 |
| Sum | 38.76 | 40.44 | 16.97 |
| Count | 44 | 44 | 44 |
| DF (n) | 18 | 18 | 12 |
| DF (%) | 40.91 | 40.91 | 27.27 |
| P25 | 0 | 0 | 0 |
| P50 | 0 | 0 | 0 |
| P75 | 1.185 | 1.458 | 0.3 |
| P90 | 2.638 | 2.906 | 0.866 |
| P99 | 5.915 | 5.597 | 5.657 |
DF—detection frequency; P25—percentile 25%; P50—percentile 50%; P75—percentile 75%; P90—percentile 90%; P99—percentile 99%.