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_83
Snippet: Our study has several limitations. First, limited financial and human resources restricted us in using a population-based design, which is considered as the gold standard in evaluating disease epidemics. 12 The choice of blood donors as population samples may result in potential bias, such as selection bias for age coverage and self-identified health conditions. Second, the syphilis seroprevalence among first-time donors was significantly higher .....
Document: Our study has several limitations. First, limited financial and human resources restricted us in using a population-based design, which is considered as the gold standard in evaluating disease epidemics. 12 The choice of blood donors as population samples may result in potential bias, such as selection bias for age coverage and self-identified health conditions. Second, the syphilis seroprevalence among first-time donors was significantly higher than that among repeat donors. 12
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