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_15
Snippet: Between 2014 and 2017, a total of 394 792 donors were recruited by the Shenzhen Blood Center for non-remunerated blood donation. Among them, 67.4% were male and 85.0% were <45 years. The proportion of male donors increased significantly by age (χ 2 trend = 8301.1, p trend < 0.001), and the number of donations in each age group increased over the studied years (χ 2 trend = 932.3, p trend < 0.001) ( Table 1) . TRUST titre of ≥1∶8. The distrib.....
Document: Between 2014 and 2017, a total of 394 792 donors were recruited by the Shenzhen Blood Center for non-remunerated blood donation. Among them, 67.4% were male and 85.0% were <45 years. The proportion of male donors increased significantly by age (χ 2 trend = 8301.1, p trend < 0.001), and the number of donations in each age group increased over the studied years (χ 2 trend = 932.3, p trend < 0.001) ( Table 1) . TRUST titre of ≥1∶8. The distribution of TRUST titres was varied among the age groups (Figure 3) . Patients aged ≥45 years comprised a large proportion of low titres at 1∶1 and 1∶2, and the proportion of high titres was only 16 .3%, which was much smaller than that among patients aged <25 years (51.3%) and 25-34 years (34.1%) ( Table 3) .
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