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Receiver operating curve for models fit to the outcome of death. (A) Patient age (continuous), National Institutes of Health Stroke Scale (NIHSS) score (continuous), wake-up stroke, and diabetes (area under the curve (AUC)=0.829); (B) patient age >75 years, NIHSS ≥20, wake-up stroke, and diabetes (AUC=0.859); (C) extended death risk (EDR) categories (AUC=0.821).
