ArticleClinical and experimental emergency medicine2024
Prognostic utility of paraspinal muscle index in elderly patients with community-acquired pneumonia.
Article in Clinical and experimental emergency medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 2 citations in OpenAlex.
- Early prognostication of septic shock in Korean adults aged 80 years and over: serum albumin combined with Sequential Organ Failure Assessment Score.Acute and critical care · 2026Article
- Erector spinae muscle characteristics predict 90-day survival in elderly pneumonia patients.Scientific reports · 2026Observational
- Development of an opportunistic chest CT-based nomogram for identifying low muscle mass in hospitalized patients with COPD.Frontiers in medicine · 2026Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThis study investigated the associations between paraspinal muscle measurements on chest computed tomography and clinical outcomes of elderly patients with community-acquired pneumonia (CAP).
methodsThis single-center, retrospective, observational study analyzed elderly patients (≥65 years) with CAP hospitalized through an emergency department between March 2020 and December 2022. We collected their baseline characteristics and laboratory data at the time of admission. The paraspinal muscle index and attenuation were calculated at the level of the 12th thoracic vertebra using chest computed tomography taken within 48 hours before or after admission. Univariable and multivariable logistic regression analyses were conducted to evaluate the association between paraspinal muscle measurements and 28-day mortality. Receiver operating characteristic (ROC) curve and area under the curve (AUC) analyses were used to evaluate the prognostic predictive power.
resultsOf the 338 enrolled patients, 60 (17.8%) died within 28 days after admission. A high paraspinal muscle index was associated with low 28-day mortality in elderly patients with CAP (adjusted odds ratio, 0.994; 95% confidence interval, 0.992-0.997). The area under the ROC curve for the muscle index was 0.75, which outperformed the pneumonia severity index and the CURB-65 (confusion, urea, respiratory rate, blood pressure, age ≥65 years) metric, both of which showed an AUC of 0.64 in predicting mortality.
conclusionA high paraspinal muscle index was associated with low 28-day mortality in patients aged 65 years or older with CAP.
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