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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