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- Title
Impacts of admission serum albumin levels on short-term and long-term mortality in hospitalized patients.
- Authors
Thongprayoon, C; Cheungpasitporn, W; Chewcharat, A; Mao, M A; Thirunavukkarasu, S; Kashani, K B
- Abstract
Aim The aim of this study is to assess the association between admission serum albumin and short- and long-term mortality in all hospitalized patients. Design A single-center cohort study. Methods A retrospective cohort of all adult hospitalized patients at a tertiary referral hospital between January 2009 and December 2013 were analysed. Admission serum albumin was stratified into six groups: ≤2.4, 2.5–2.9, 3.0–3.4, 3.5–3.9, 4.0–4.4 and ≥4.5 g/dl. The outcomes of interest were in-hospital mortality, length of hospital stay and 1-year mortality. Serum albumin of 4–4.4 g/dl was selected as a reference group for outcome comparison. Results A total of 14 075 patients were studied. Admission serum albumin of ≥4.5 g/dl had the lowest in-hospital and 1-year mortality with progressively increased in-hospital mortality observed with decreased admission serum albumin. In adjusted analysis, compared with serum albumin of 4.0–4.4 g/dl, serum albumin of ≤2.4, 2.5–2.9, 3.0–3.4 and 3.5–3.9 were significantly associated with increased in-hospital and 1-year mortality. In contrast, serum albumin of ≥4.5 g/dl was significantly associated with lower 1-year mortality but not in-hospital mortality. Admission serum albumin <4.0 g/dl was significantly associated with a prolonged hospital stay, while admission serum albumin of ≥4.5 g/dl was significantly associated with shorter hospital stay, compared with serum albumin of 4.0–4.4 g/dl. Conclusion Low albumin level at admission was progressively associated with increased short- and long-term mortality in all hospitalized patients even when albumin level was considered in normal range.
- Subjects
SERUM albumin; HOSPITAL patients; LENGTH of stay in hospitals; HOSPITAL mortality; MORTALITY
- Publication
QJM: An International Journal of Medicine, 2020, Vol 113, Issue 6, p393
- ISSN
1460-2725
- Publication type
Academic Journal
- DOI
10.1093/qjmed/hcz305