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- W2096425704 abstract "Background and Purpose— In patients with a recent TIA or minor stroke, prediction of long-term risk of major vascular events is important, but difficult. We aimed to study the external validity of currently available prediction models. Methods— We validated predictions from 3 population-based models (Framingham, SCORE, and INDIANA project) and 4 stroke cohort-based models (Stroke Prognosis Instrument II, Oxford TIA, Dutch TIA study, and the ABCD 2 study) in an independent cohort of patients with a recent TIA or minor stroke. The validation cohort consisted of 592 patients with TIA or minor stroke, with a mean follow-up of 2 years. The primary outcome was the 2-year risk of the composite outcome event of nonfatal stroke, myocardial infarction, or vascular death. We used calibration graphs and c-statistics to evaluate the 7 models. Results— The 2-year risk of the primary outcome event was 12%. Calibration was adequate for stroke population-based studies. After adjustment for baseline risk and for prevalence of risk factors, calibration was adequate for the Dutch TIA, the ABCD 2 , and Stroke Prognosis Instrument II models. Discrimination ranged from 0.61 to 0.68. Conclusions— Discrimination was poor for all currently available risk prediction models for patients with a recent TIA or minor stroke, indicating the need for stronger predictors. Clinical usefulness may be best for the ABCD 2 model, which had a limited number of easily obtainable variables, a reasonable c-statistic (0.64), and good calibration." @default.
- W2096425704 created "2016-06-24" @default.
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- W2096425704 date "2010-10-01" @default.
- W2096425704 modified "2023-09-23" @default.
- W2096425704 title "Prediction of Major Vascular Events in Patients With Transient Ischemic Attack or Ischemic Stroke" @default.
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- W2096425704 doi "https://doi.org/10.1161/strokeaha.110.580985" @default.
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