Multicentric validation of a reduced features case-mix set for predicting functional outcome after ischemic stroke in Belgium
Acta neurologica Belgica(2022)
摘要
Introduction Ischemic stroke is the second cause of death and leading cause of severe disability worldwide. A reduced features set of CT-DRAGON (age, NIHSS on admission and pre-stroke mRS) predicts 90-day functional outcome after stroke in a single center. The current study was designed to validate this adapted CT-DRAGON score in three major Belgian hospitals, in the framework of future case-mix adjustment. Methods This retrospective study included stroke patients, treated by thrombolysis, thrombectomy, a combination of both or neither thrombolysis or thrombectomy (conservative treatment) in 2019. Patient characteristics and 90-day mRS were collected. Multivariable logistic regression analysis of 90-day mRS 0–2 vs. 3–6 and 0–5 vs. 6 with the reduced features set was performed. Discriminative performance was assessed by the area under the receiver operating characteristic curve (AUROC). Results Thirty-three percent of patients (413/1243) underwent treatment. Majority of strokes was treated conservatively ( n = 830, 67%), 18% ( n = 225) was treated by thrombolysis, 7% ( n = 88) by thrombectomy and 8% ( n = 100) by thrombolysis and thrombectomy. Age, NIHSS and pre-stroke mRS were independently associated with 90-day mRS 0–2 (all p ≤ 0.0001, AUROC 0.88). When treatment modality was added in the model, age, NIHSS, pre-stroke mRS and treatment modality were independently associated with 90-day mRS 0–2 ( p < 0.0001, p < 0.0001, p < 0.0001 and p = 0.0001) AUROC 0.89). Age, NIHSS, pre-stroke mRS and treatment modality were independently associated with 90-day survival ( p = 0.0001, p < 0.0001, p < 0.0001 and p = 0.008, AUROC 0.86). Discussion The reduced features set (age, NIHSS and pre-mRS) was independently associated with long-term functional outcome in a Belgian multicentric cohort, making it useful for case-mix adjustments in Belgian stroke centers. Treatment modality was associated with long-term outcome.
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关键词
Ischemic cerebrovascular accident,prognosis,stroke
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