Cohort Profile: The Shaanxi Blood Donor Cohort in China

Bibliographic Details
Title: Cohort Profile: The Shaanxi Blood Donor Cohort in China
Authors: Lei Zhang, Hengxin Li, Shu Su, Erica M. Wood, Ting Ma, Yang Sun, Lingxia Guo, Qianke Cheng, Xiaoyun Gu, Wenjie Wu, Liqin Wang, Miao Ding, Leilei Zhang, Yuan Shen, Jiangcun Yang
Source: Frontiers in Cardiovascular Medicine, Vol 9 (2022)
Publisher Information: Frontiers Media S.A., 2022.
Publication Year: 2022
Collection: LCC:Diseases of the circulatory (Cardiovascular) system
Subject Terms: cohort profile, blood donation, ICD-10, health effects, China, Diseases of the circulatory (Cardiovascular) system, RC666-701
More Details: PurposeThe Shaanxi Blood Donor Cohort was set up to investigate the impact of blood donation on the health of donors compared with non-blood donors. The specific aims of the study include (1) identifying the geographical and temporal trends of incidence for diseases in both blood donors and non-blood donors; (2) assessing the impact of environmental exposures, lifestyle, body mass index (BMI) and blood type on disease burdens, stratified between blood donors and non-blood donors; and (3) among blood donors, investigating if regular blood donation has a positive impact on donors’ health profiles, based on a cohort with a mixed retrospective and prospective study design.ParticipantsA total of 3.4 million adults, with an equal number and identical demographic characteristics (year of birth, sex and location of residence) of blood donors and non-blood donors, were enrolled on 2012. The one-to-one matching was conducted through a repeated random selection of individuals without any history of blood donation from the Shaanxi Electronic Health Records. The cohort has been so far followed up to the end of 2018, summing to nearly 24 million years of follow-up. The cohort will be followed up prospectively every 3 years until 2030.Findings to DateOf the 1.7 million blood donors, 418,312 (24.5%) and 332,569 (19.5%) individuals were outpatients and inpatients, accounting for 1,640,483(96.2%) outpatient and 496,061 (29.1%) inpatient visits. Of the same number of non-blood donors, 407,798 (23.9%) and 346,097 (20.3%) individuals were hospital outpatients and inpatients, accounting for 1,655,725 (97.1%) outpatient and 562,337 (33.0%) inpatient visits. The number of outpatient and inpatient visits by non-blood donors was 0.9 and 3.9% higher than those of the blood donors (p < 0.01). Blood donors demonstrate significantly fewer inpatients visits than non-blood donors for major chronic disease categories (p < 0.01).Future PlansWe are currently exploring the long term benefits of blood donation on major chronic disease categories and multimorbidities in this large population cohort. The study results are adjusted by the “healthy donor effect.” This cohort study will continue until 2030.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2297-055X
Relation: https://www.frontiersin.org/articles/10.3389/fcvm.2022.841253/full; https://doaj.org/toc/2297-055X
DOI: 10.3389/fcvm.2022.841253
Access URL: https://doaj.org/article/7aed469ab8994ff8a3bf17518c8c1834
Accession Number: edsdoj.7aed469ab8994ff8a3bf17518c8c1834
Database: Directory of Open Access Journals
More Details
ISSN:2297055X
DOI:10.3389/fcvm.2022.841253
Published in:Frontiers in Cardiovascular Medicine
Language:English