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Table 3 Percentages of positive anti-HEV IgG in different age groups at Siriraj Hospital during 2015–2018

From: Prevalence and clinical correlation of hepatitis E virus antibody in the patients’ serum samples from a tertiary care hospital in Thailand during 2015–2018

Year Positive anti-HEV IgG/Total (%)
Age (years old) < 15 15–40 40–65  > 65 Chi square test, P-value
2015 7/10 (70.00) 23/39 (58.97) 48/70 (68.57) 13/19 (68.42) 1.184, p = 0.757
2016 5/33 (15.15) 28/57 (49.12) 54/84 (64.29) 12/28 (42.86) 23.406 p < 0.001*
2017 10/29 (34.48) 24/69 (34.78) 59/136 (43.38) 11/42 (26.19) 4.617, p = 0.202
2018 1/23 (4.35) 14/64(21.88) 33/132 (25.00) 27/69 (39.13) 12.409, p = 0.006*
Total 23/95 (24.21) 89/229 (38.86) 194/422 (45.97) 63/158 (39.87) 15.906, p = 0.001*
  1. Numbers of positive anti-HEV IgG serum samples/total samples in patients with different age groups were demonstrated in percentages per year (2015–2018). Chi-square test was used to analyze the association between age group and anti-HEV IgG seropositivity. A P-value less than 0.05 is considered statistical significance