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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.