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Table 4 Comparison of Hepatitis A Seroprevalence Rates by Birth Years in the Tainan Area in Different Studies

From: Decrease in seroprevalence of Hepatitis A after the implementation of nationwide disposable tableware use in Taiwan

Study
(year)
Wu et al., 1993[12]
(1989-1991)
Current
(2005)
  Liu et al., 1994[7]
(1992)
Current
(2005)
  Wang et al., 2001[8]
(1998)
Current
(2005)
Birth Years Case/Total Rate
(%)
Case/Total Rate
(%)
Birth Years Case/Total Rate
(%)
Case/Total Rate
(%)
Birth Years Case/Total Rate
(%)
Case/Total Rate
(%)
1984-1986 0/17 0.0 21/612 3.4 1984-1985 3/82 3.7 21/521 4.0 1983-1985 1/51 2.0 33/934 3.5
1983-1985 0/127 0.0 33/934 3.5* 1982-1983 3/90 3.3 26/1107 2.3 1979-1982 2/41 4.9 163/3913 4.2
1982-1984 2/132 1.5 38/1437 2.6 1980-1981 3/73 4.1 105/2014 5.2      
1981-1983 3/136 2.2 58/2058 2.8           
1980-1982 5/145 3.4 119/2078 5.7           
1979-1981 9/142 6.3 249/3219 7.7           
  1. *p < 0.05 for the Fisher's exact test for the difference in the prevalence rate between the previous study and the current study