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. 2022 Dec 1;12(12):3014. doi: 10.3390/diagnostics12123014

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Receiver-operating characteristics curves for three different models for predicting favorable functional outcomes (mRS 0–2). Model 1 is the base model with baseline prognostic factors as the independent variables: age, stroke severity (NIHSS), time from onset to groin puncture, history of hypertension, diabetes mellitus, and previous strokes. Model 2 and model 3 are model 1 with the addition of collateral scores as assessed by CTA and CTP, respectively. The C-statistic for model 1, model 2, and model 3 respectively are 0.83 (95% CI, 0.74–0.92), 0.84 (95% CI, 0.75–0.93), and 0.86 (95% CI, 0.77–0.94). There are no significant differences between the C-statistics of the models.