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Table 2 Distribution of aflatoxin M1 levels in pigs from five provinces in Vietnam

From: An investigation into aflatoxin M 1 in slaughtered fattening pigs and awareness of aflatoxins in Vietnam

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
  1. aMean and median were calculated from the samples above limit of detection (LOD ≥ 0.15 μg/kg)