The impact of violation of the proportional hazards assumption on the discrimination of the Cox proportional hazards model.
Austin PC; Giardiello D · 2026 · Diagnostic and prognostic research
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background The Cox proportional hazards regression model is frequently used to estimate an individual's probability of experiencing an outcome within a specified prediction horizon. A key assumption of this model is that of proportional…
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Metadata source: Europe PMC · DOI 10.1186/s41512-026-00223-0