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Table 5 Percentages of positive anti-HEV IgM 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 IgM/Total (%) Chi square test, P-value
Age (years old) < 15 15–40 40–65  > 65
2015 1/10 (10.00) 13/48 (27.08) 18/81 (22.22) 6/26 (23.08) 1.433, p = 0.698
2016 1/33 (3.03) 9/65 (13.85) 13/99 (13.13) 4/33 (12.12) 2.884, p = 0.410
2017 0/40 (0.00) 10/85 (11.76) 20/157 (12.74) 4/49 (8.16)
2018 2/30 (6.67) 7/81 (8.64) 12/159 (7.55) 7/85 (8.24) 0.165, p = 0.983
Total 4/113 (3.54) 39/279 (13.98) 63/496 (12.70) 21/193 (10.88) 9.257, p = 0.026*
  1. Numbers of positive anti-HEV IgM 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 IgM seropositivity. A P-value less than 0.05 is considered statistical significance