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Table 2 Prevalence of HCV infection among blood donors at different study period

From: Prevalence and trend of hepatitis C virus infection among blood donors in Chinese mainland: a systematic review and meta-analysis

Study period

No. of studies

Prevalence of HCV

% (95%CI)

Heterogeneity

Model

   

I 2

Pvalue

 

1990-1991

8

13.42(5.79, 23.62)

98.90%

0.00

REM

1992-1993

48

13.66(9.93,17.87)

99.70%

0.00

REM

1994-1995

57

15.78(12.21,19.75)

99.80%

0.00

REM

1996-1997

23

7.34(5.40,9.54)

99.30%

0.00

REM

1998-1999

13

3.97(2.67,5.54)

98.50%

0.00

REM

2000-2001

7

4.45(0.48,12.08)

99.90%

0.00

REM

2002-2003

14

2.34(1.17,3.87)

99.50%

0.00

REM

2004-2005

4

1.65(0.56,3.29)

97.40%

0.00

REM

2006-2010

5

0.36(0.09,0.81)

99.30%

0.00

REM

  1. REM: random effect model.