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Table 3 Median distance from home address to nearest pig farm by anti-hepatitis E virus IgG ratio

From: Hepatitis E virus seroprevalence among the general population in a livestock-dense area in the Netherlands: a cross-sectional population-based serological survey

  Positive or borderline anti-HEV IgG ratioa Negative anti-HEV IgG ratiob  
Age group (years) n Median distance (m) Range in distance (m)c n Median distance (m) Range in distance (m)c P-value
20–30 5 689 [469–850] 45 652 [489–843] 1.00
30–40 27 751 [373–1102] 152 581 [440–872] 0.16
40–50 83 702 [416–965] 349 665 [441–900] 0.68
50–60 166 701 [498–955] 495 674 [455–901] 0.28
60–70 352 748 [517–970] 586 686 [430–938] 0.02
> = 70 62 794 [539–1041] 100 672 [528–1004] 0.36
Total 695 730 [509–969] 1727 663 [447–916] 0.001
  1. aAnti-HEV IgG ratio > =0.90
  2. bAnti-HEV IgG ratio <0.90
  3. cRange from the 25th to the 75th percentile of the distance from home address to nearest pig farm