Deep Learning-Based Chronic Obstructive Pulmonary Disease Exacerbation Prediction Using Flow-Volume and Volume-Time Curve Imaging: Retrospective Cohort Study.

J Med Internet Res · 2025 · PMC12123229 · PMID 40373296

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a clear trendno p-value reported

Time to AE Event and Cox Proportional Hazards Regression Results The Kaplan-Meier survival curves demonstrate a clear trend of increasing risk of AEs across AI-PFT-Clin score quartiles, with higher quartiles experiencing faster onset of moderate-to-severe and severe AE-COPD ( Figure 4 ).

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