Tobias R. Spiller, MD

University of Zurich, Zurich, Switzerland; Psychiatric University Hospital of Zurich, Zurich, Switzerland; Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut

JCP
Predictive Modeling of Suicidal Ideation in US Veterans: PHQ-2 Versus Complex Machine Learning Approaches
Original Research

June 17, 2026

Machine learning models provided a statistically significant, yet clinically modest, performance improvement over the PHQ-2 sum score.
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