ArticleAnnals of medicine2025
Association between serum levels of insulin-like growth factor-binding proteins at admission and outcomes at 3 months after acute ischemic stroke.
Article in Annals of medicine, 2025. 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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10 authors.
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Abstract
backgroundInsulin-like growth factor-binding proteins (IGFBPs) contribute to central nervous system development and may influence recovery after stroke. This study aimed to determine whether serum IGFBPs levels in acute ischemic stroke (AIS) patients are associated with 3-month outcomes. MATERIALS AND
methodsWe retrospectively reviewed data from AIS patients admitted within 24 h after stroke onset, and who had been prospectively enrolled in the Chengdu Stroke Registry. Serum IGFBPs 4, 6 and 7 levels at admission were compared between patients experienced good outcome (modified Rankin Scale scores of 0-2) or poor outcome (scores of 3-6) at 3 months after stroke onset. Factors associated with good outcome were identified using logistic regression.
resultsAmong 194 patients, 115 (59.3%) experienced good outcome at 3 months. Patients with good outcome showed significantly higher levels of all three IGFBPs at admission. Good outcome was independently associated with higher serum levels of IGFBP 4 (OR 1.013, 95% CI 1.005-1.020) and IGFBP 7 (OR 1.012, 95% CI 1.003-1.021) after adjustment for potential confounders. Adding either or both IGFBPs to a model based on conventional clinical factors significantly improved good outcome prediction, with net reclassification improvement of 41.9-54.5% and integrated discrimination improvement of 3.8-5.8%. The model containing both IGFBPs predicted good outcome with an area of 0.878 (95% CI 0.827-0.929) under the receiver operating characteristic curve.
conclusionsHigher serum IGFBPs 4 and 7 levels may be associated with greater probability of good outcome at 3 months after AIS.
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