Author: Wu, Xiaobing; Guan, Yang; Ye, Jianbin; Fu, Hanlin; Zhang, Chunlai; Lan, Lina; Wu, Fengxin; Tang, Fen; Wang, Feng; Cai, Yumao; Yu, Weiye; Feng, Tiejian
Title: Association between syphilis seroprevalence and age among blood donors in Southern China: an observational study from 2014 to 2017 Document date: 2019_11_2
ID: ubnv0fdw_123
Snippet: Fourth, this study used two reagents in syphilis screening. Samples with one positive result or both positive results would be considered as problematic samples. This parallel testing method was strict and suitable for blood donors. However, we did not collect the data of each reagent and the positive predictive value cannot be calculated respectively......
Document: Fourth, this study used two reagents in syphilis screening. Samples with one positive result or both positive results would be considered as problematic samples. This parallel testing method was strict and suitable for blood donors. However, we did not collect the data of each reagent and the positive predictive value cannot be calculated respectively.
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