Table 5 Percentages of positive anti-HEV IgM in different age groups at Siriraj Hospital 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* |