Oct 15, 2015

Validation of the 9-Point and 24-Point Hematoma Expansion Prediction Scores and Derivation of the PREDICT A/B Scores

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Thien J Huynh, Richard I Aviv, Dar Dowlatshahi, David J Gladstone, Andreas Laupacis, Alex Kiss, Michael D Hill, Carlos A Molina, David Rodriguez-Luna, Imanuel Dzialowski, Yolanda Silva, Adam Kobayashi, Cheemun Lum, Jean-Martin Boulanger, Gord Gubitz, Rohit Bhatia, Vasantha Padma, Jayanta Roy, Carlos S Kase, Sean P Symons, Andrew M Demchuk, PREDICT/Sunnybrook CTA Investigators

CONCLUSIONS: The 9- and 24-point expansion scores demonstrate acceptable discrimination in an independent multicenter cohort; however, calibration was suboptimal for the 9-point score. The PREDICT A score showed improved discrimination for HE prediction but requires independent validation.

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Validation of the 9-Point and 24-Point Hematoma Expansion Prediction Scores and Derivation of the PREDICT A/B Scores

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