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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

Author

Yang Song

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Open access Jul 2026

The revised cardiac risk index and 90-day mortality after non-cardiac surgery: a retrospective cohort study

Higher RCRI scores are independently associated with increased 90-day mortality after non-cardiac surgery, demonstrating a clear dose–response relationship, and support the use of RCRI as a practical and effective tool for preoperative risk stratification in diverse surgical populations.

Guangqin Ren, Qing Xie, Xue Guo et al. · 0 citations

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