Selected article for: "age coverage and selection bias"
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_52
    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, this study did not distinguish the syphilis seroprevalence between first-time.....
    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, this study did not distinguish the syphilis seroprevalence between first-time donors and repeat donors, which may lead to underestimation of syphilis disease burden. In previous studies, the syphilis seroprevalence among first-time donors was significantly higher than that among repeat donors. 12

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