Erythrocyte Characteristics and the Risk of Depression in Late Life: A Population-Based Prospective Study
- Authors
- Oh, Dae Jong; Han, Ji Won; Bae, Jong Bin; Kim, Hye Sung; Suh, Seung Wan; Byun, Seonjeong; Kim, Tae Hui; Kwak, Kyung Phil; Kim, Bong Jo; Kim, Shin Gyeom; Kim, Jeong Lan; Moon, Seok Woo; Park, Joon Hyuk; Ryu, Seung-Ho; Youn, Jong Chul; Lee, Dong Young; Lee, Dong Woo; Lee, Seok Bum; Lee, Jung Jae; Jhoo, Jin Hyeong; Kim, Ki Woong
- Issue Date
- Nov-2020
- Publisher
- Lippincott Williams & Wilkins Ltd.
- Keywords
- Depression; late life depression; erythrocyte index; erythropoiesis; geriatric psychiatry; biomarker
- Citation
- Journal of the American Medical Directors Association, v.21, no.11, pp 1677 - 1683
- Pages
- 7
- Journal Title
- Journal of the American Medical Directors Association
- Volume
- 21
- Number
- 11
- Start Page
- 1677
- End Page
- 1683
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/19404
- DOI
- 10.1016/j.jamda.2020.05.012
- ISSN
- 1525-8610
1538-9375
- Abstract
- Objectives: Inflammation and vascular dysregulation may contribute to the development of depression and impose a burden on erythropoiesis. This study aimed to identify the association of erythrocyte indices with the severity of depressive symptoms and risk of developing depressive disorders in the older people. Design: A prospective cohort study on a randomly sampled Korean older population; the baseline assessment from 2010 to 2012, the first follow-up assessment from 2012 to 2014, and the second follow-up assessment from 2014 to 2016 (mean follow-up duration = 3.4 years). Setting: A nationwide and community-based cohort. Participants: A total of 4451 Koreans aged 60 years or older. Methods: We examined the associations of the values and changes in mean corpuscular volume, mean corpuscular hemoglobin (MCH), and mean corpuscular hemoglobin concentration (MCHC) with the risk of prevalent and incident depression using logistic regression analyses. Results: High MCH and MCHC in female participants and high MCHC in male participants were associated with high geriatric depression scale scores and risk of prevalent depression. In female participants, high-and middle-MCH tertile groups showed a 2.68- and 2.34-fold higher risk of incident depression than did the low tertile group. In male participants, the high-MCH tertile group showed a 1.79-fold higher risk of incident depression than did the low tertile group. In both sexes, the participants whose MCV changed to the high or middle tertile or remained in the high or middle tertile during the follow-up period, and whose MCH increased to the high tertile or remained in the high tertile, were at a higher risk of incident depression. Conclusions and Implications: Changes in erythrocyte may be associated with the risk of depression in older adults. This prospective study proposes a new perspective of the old hematologic parameters for understanding the pathophysiology of late-life depression. (C) 2020 AMDA - The Society for Post-Acute and Long-Term Care Medicine.
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