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Table 2 Geographical distributions of HCV subtypes of 1012 patients

From: Hepatitis C virus genotype and subtype distribution in Chinese chronic hepatitis C patients: nationwide spread of HCV genotypes 3 and 6

Geographic origin n (%) HCV subtypes
1a 1b 2a 3a 3b 6a 6n NAa
Northeastern China 111(10.97) 0 71 37 0 1 1 0 1
Northern China 403(39.82) 1 270 90 13 7 3 0 19
Eastern China 275(27.17) 3 212 23 10 6 8 3 10
Central China 40(3.95) 0 31 8 0 0 0 0 1
Southern China 59(5.83) 0 36 9 4 1 9 0 0
Western China 124(12.25) 0 78 26 4 4 0 1 11
Total 1012(100) 4 698 193 31 19 21 4 42
  1. aHCV RNA could not be amplified for genotyping