ArticleBMC musculoskeletal disorders2025
Based on CT scans at the 12th thoracic spine level, assessing the impact of skeletal muscle and adipose tissue index on one-year postoperative mortality in elderly hip fracture patients: a propensity score-matched multicenter retrospective study.
Article in BMC musculoskeletal disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.
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6 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Computed tomography derived analytic morphomics as predictors of clinical outcomes in trauma: a systematic narrative review.Emergency radiology · 2026Pooled it
- Prognostic assessment of sarcopenia in patients with fractures: a systematic review and meta-analysis.BMC musculoskeletal disorders · 2025Pooled it
- CT-defined sarcopenia as a predictor of early mortality following hip fracture: a retrospective cohort study.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026Article
- Development of a radiomics-vision transformer fusion model based on chest CT for predicting adverse respiratory events during recovery in elderly hip fracture patients under general anesthesia.Frontiers in medicine · 2026Article
- Artificial intelligence-driven assessment of sarcopenia in orthopedic geriatrics: technical progress and clinical implications.Frontiers in endocrinology · 2026Review
- Association between CT-derived skeletal muscle and fat indices and fracture healing following operative treatment for intertrochanteric fractures: a multicenter retrospective study.Frontiers in nutrition · 2025Article
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Abstract
backgroundResearch has demonstrated that individuals with sarcopenia or sarcopenic obesity who experience fractures or undergo major surgical interventions exhibit a poorer prognosis compared to the general population. However, few studies have investigated the relationship between the skeletal muscle and adipose tissue indices, as measured at the 12th thoracic spine level, and adverse outcomes following orthopedic surgery. Therefore, this study aimed to prove whether skeletal muscle and adipose tissue index measured by computed tomography (CT) images based on a single layer are associated with one-year postoperative mortality in elderly hip fracture patients.
methodsA total of 334 participants from two institutions were enrolled in this study to obtain skeletal muscle index (SMI), subcutaneous fat index (SFI), visceral fat index (VFI), and the visceral-to-subcutaneous ratio of the fat area (VSR) at T12 levels and divide them into death and survival groups based on the results of follow-up after 1 year. Propensity score matching (PSM) was employed to evaluate one-year postoperative mortality.
resultsInstitution 1's results identified that a lower SMI significantly heightened the risk of one-year postoperative mortality (OR = 0.799,95%CI 0.677-0.943, P = 0.008), making SMI an independent predictor. Institution 2's results identified that age (OR = 1.081, 95%CI 1.005-1.163, P = 0.036), SMI (OR = 0.881, 95%CI 0.784-0.991, P = 0.035) as independent predictors of one-year postoperative mortality in elderly hip fracture. Receiver operator characteristics analysis revealed area under the curve (AUC) values for institution 1: SMI (0.738 (95%CI 0.626-0.851), significant), VFI (0.605 (95%CI 0.476-0.734)), VSR (0.583 (95%CI 0.451-0.715)); and for institution 2: SMI (0.742 (95%CI 0.612-0.872), significant) and Age (0.775 (95%CI 0.677-0.874), significant). Collectively, these results underscore that SMI serves as an independent predictor of one-year postoperative mortality in elderly hip fracture patients.
conclusionThis study demonstrated that the T12-based SMI was independently associated with one-year mortality following hip fracture in geriatric patients, with lower preoperative SMI correlating with higher mortality rates post-surgery.
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