Key result
Anemia was significantly associated with an increased risk of readmission within 28 days (adjusted OR 2.28) and 90 days (adjusted OR 1.65) among older hospitalized patients.
Why the study?
Readmission rates among older adults are a growing concern, but the association with anemia and the potential benefits of systematic assessment and intervention remain unclear.
Does anemia increase readmission within 28 and 90 days in older patients admitted to rural community hospitals?
Cohort (n=1,280)
No
Does anemia increase readmission within 28 and 90 days in older patients admitted to rural community hospitals?
Odds Ratio: 2.28
Anemia is a significant independent risk factor for short- and medium-term readmissions in older patients admitted to general medicine.
Highlights anemia for readmission risk stratification in older adults; leaves open whether correction reduces events in rural hospitals.
Readmission rates among older adults are a growing concern, and the association of readmission with anemia and the potential benefits of a systematic assessment and intervention remain unclear. This study investigated the association between anemia and readmission within 28 and 90 days in an older population. Data from 1280 patients admitted to the Department of General Medicine of Unnan City Hospital between April 2020 and December 2021 were retrospectively analyzed. Variables such as anemia status, Charlson comorbidity index (CCI) score, Functional Independence Measure (FIM) score, and dependent status were evaluated. Multivariate logistic regression was used to determine the associations between 28-day and 90-day readmissions. The average age was 84.9 years, and the prevalence of anemia was 36.4%. The readmission rates within 28 and 90 days were 10.4% and 19.1%, respectively. Anemia was significantly associated with readmission in both periods (28-day adjusted odds ratio, 2.28; 90-day adjusted odds ratio, 1.65). CCI score, FIM score, and dependent status were also identified as significant factors. Anemia is significantly associated with short- and medium-term readmissions in older patients. Addressing anemia, along with other identified factors, may help reduce readmission rates.
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Amano et al. (2024) conducted a cohort in Older patients admitted to general medicine (n=1,280). Anemia vs. No anemia was evaluated on Readmission within 28 days (adjusted OR 2.28). Anemia was significantly associated with an increased risk of readmission within 28 days (adjusted OR 2.28) and 90 days (adjusted OR 1.65) among older hospitalized patients.
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