ArticleGastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association2026
Preoperative albumin grip index as a novel biomarker predicting prognosis and postoperative complications after gastrectomy for gastric cancer.
Article in Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe increasing number of elderly patients with gastric cancer (GC) highlights the need for accurate prognostic assessment. Although several nutrition-related biomarkers have been proposed, their predictive abilities remain limited. Precise prediction of surgical outcomes is particularly important in elderly patients with reduced nutritional and physical reserves.
methodsWe developed a novel biomarker, the Albumin Grip Index (AGI), which was calculated as 10 × serum albumin (g/dL) + grip strength [kilogram-force (kgf)] to evaluate both nutritional and physical status. We retrospectively investigated 370 patients who underwent gastrectomy for GC from January 2016 to December 2023. Patients were divided into high and low AGI groups to examine its impact on overall survival (OS), cancer-specific survival (CSS), and major complications ( ≧ Clavien-Dindo grade 3). The prognostic performance of AGI was compared with other albumin-based biomarkers: Geriatric Nutrition Risk Index (GNRI), Prognostic Nutritional Index (PNI), and modified Glasgow Prognostic Score (mGPS).
resultsLow AGI was significantly associated with older age, malnutrition, impaired physical function, and advanced disease. The 5-year OS and CSS rates were significantly lower in the low AGI group than in the high AGI group. Major complications were also more frequent in the low AGI group. Multivariate analysis identified low AGI as an independent predictor of OS, CSS, and major complications. AGI showed superior prognostic performance to other albumin-based indices.
conclusionsAGI is a simple and clinically practical biomarker integrating nutritional and physical status, and it effectively predicts survival and postoperative complications after gastrectomy for GC.
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