Hiroaki Kikuchi
1 indexed paper
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126
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2026
Benchmarking the Utility of Privacy-Preserving Cox Regression Under Data-Driven Clipping Bounds: A Multi-Dataset Simulation Study
The study systematically evaluated the utility loss of Cox regression under differential privacy (DP) using multiple datasets, finding that significant utility degradation occurs at standard DP levels ($ ext{e.g.}, ext{LSR} ext{ of } 90 ext{-}94 ext{\%}$), requiring high $ ext{e}$ values ($ ext{e.g.}, ext{e} ext{ of } 30 ext{-}60$) for practical significance preservation.
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