Table 2.
Province (No.) | Samples above LOD (% with 95% CI)a | Mean (μg/kg)a | Median (μg/kg)a | Range (μg/kg)a |
---|---|---|---|---|
Hanoi (385) | 292 (75.84, 95% CI 71.25–80.04) | 0.41 | 0.19 | <LOD - 8.05 |
Son La (383) | 316 (82.51, 95% CI 78.32–86.18) | 1.23 | 0.32 | <LOD - 7.35 |
Nghe An (375) | 245 (65.33, 95% CI 60.28–70.15) | 0.24 | 0.18 | <LOD - 1.42 |
Dak Lak (384) | 167 (43.49, 95% CI 38.47–48.61) | 0.50 | 0.18 | <LOD - 13.66 |
An Giang (393) | 15 (3.82, 95% CI 2.15–6.22) | 0.19 | 0.17 | <LOD - 0.30 |
Total (1920) | 1035 (53.90, 95% CI 51.64–56.15) | 0.63 | 0.20 | <LOD - 13.66 |
aMean and median were calculated from the samples above limit of detection (LOD ≥ 0.15 μg/kg)