利用来自危重患者中PICARD ARF多中心队列研究的资料，我们得出了一些预后分层和风险调整预测模型。

Using data from the PICARD multi-center cohort study of ARF in critically ill patients, we developed several predictive models for prognostic stratification and risk-adjustment.

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在片间预测中，通过对光线空间片的纹理统计，确立初始的搜索方向，实现分层的直线方向搜索方法。

By adopting texture statistics for ray-space slice, initial search direction was established, and then multi-layer rectilinear direction search method was realized in inter-slice prediction.

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方法：根据红臀风险预警报告表来预测评分红臀的危险度，并进行预警性分层护理干预；

Method The risk of red buttock was predicted according to the early warning report of red buttock risks and pre-warning stratified intervention of nursing was conducted.

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