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Table 4 The results of NAT in some repeat donors during the follow up study

From: Characteristic of HBV nucleic acid amplification testing yields from blood donors in China

Groups of the results in NAT+ELISA donors (numbers) Non-repeated positive Non-discriminated positive Non-repeated HBV-DNA positive Repeated HBV-DNA positive Overall
All follow up donors 104 12 14 8 138
NAT+ donors in follow up study 36 6 10 (2)* 6 58 (2)
Groups of the results in follow-up study      
 Non-repeated positive 18 1 3 1 23
 Non-discriminated positive 5 0 0 1 6
 Non-repeated HBV-DNA positive 6 2 2 (1) 0 10 (1)
 Repeated HBV-DNA positive 7 3 5 (1) 4 19 (1)
The interval time (months) of the NAT+ results (± SD) 32.07 (± 27.21) 29.38
(± 23.89)
24.54
(± 19.84)
12.68 (± 13.56)# 28.83 (± 25.62)
  1. * The number in () means the donors were in the window period of acute HBV infection. #p < 0.05 compared to the non-repeated positive group