Machine learning-based prediction of mortality and hospitalization in diabetic patients with heart failure with preserved ejection fraction: the GUARDIAN-P risk score.

In the training cohort, event rates were 10.6%, 17.6%, 27.1%, and 30.2% among patients with 0–1, 2–3, 4–5, and ≥6 risk factors, respectively, showing a significant trend (log-rank P < 0.001; Figure 2C ).

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