Authors
Jinhua Sun, Fenglin Li, Yuanyuan Sun
Published in
Frontiers in medicine. Volume 13. Pages 1862824. Epub Sep 09, 2026.
Abstract
To explore the predictive value of nutritional status combined with Probable sarcopenia assessment for all-cause readmission of elderly inpatients with multimorbidity within 90 days after discharge.
In this single-centre retrospective cohort study, a total of 244 patients aged ≥65 years admitted to our hospital from January 2023 to March 2025 were selected as the research subjects. Abnormal nutritional status (malnutrition or risk of malnutrition, MNA-SF ≤11) and probable sarcopenia (per modified EWGSOP2-based criteria) were assessed within 48 h of admission, and patients were divided into a readmission group (59 cases) and a non-readmission group (185 cases) according to whether they were readmitted within 90 days after discharge.
The age of patients in the readmission group was significantly higher than that in the non-readmission group (P < 0.05), the Charlson Comorbidity Index was higher (P < 0.05), the level of C-reactive protein was higher (P < 0.05), and the serum albumin, handgrip strength and calf circumference were lower (P < 0.05). The overall prevalence of probable sarcopenia was 31.1%, and the prevalence of malnutrition (including risk) was 73.8%. Abnormal nutritional status was defined as MNA-SF ≤11 (combining at-risk and malnourished categories). The combined group analysis showed that the 90-day readmission rate of patients with abnormal nutritional status and probable sarcopenia (Group D) was the highest, reaching 47.8%, which was significantly higher than that of other groups (P < 0.05). Multivariate logistic regression analysis showed that after adjusting for age, sex, comorbidities and inflammatory markers, the combined status was independently associated with higher odds of 90-day readmission (aOR=3.94, 95%CI: 1.73-8.96, P = 0.001). The combined assessment model demonstrated moderate discriminative ability (AUC 0.724, 95% CI: 0.651-0.797), which was statistically significantly better than that of nutrition or probable sarcopenia assessment alone (DeLong P < 0.05).
In this single-center retrospective cohort, the coexistence of abnormal nutritional status (MNA-SF ≤11) and probable sarcopenia was independently associated with higher odds of 90-day readmission in elderly hospitalized patients with multimorbidity. Larger prospective multicenter studies are needed to validate the combined assessment and determine whether targeted interventions reduce readmission.
PMID:
42780006
Bibliographic data and abstract were imported from PubMed on 24 Sep 2026.
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