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Asymptotic validity of Schoenfeld's sample size formula for the Cox proportional hazards model via the Wald test approach.

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Title: Asymptotic validity of Schoenfeld's sample size formula for the Cox proportional hazards model via the Wald test approach.
Authors: Lee SY; Department of Statistics, Texas A&M University, USA.
Source: Statistical methods in medical research [Stat Methods Med Res] 2026 Apr; Vol. 35 (4), pp. 681-694. Date of Electronic Publication: 2026 Mar 23.
Publication Type: Journal Article; Review
Journal Info: Publisher: SAGE Publications Country of Publication: England NLM ID: 9212457 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1477-0334 (Electronic) Linking ISSN: 09622802 NLM ISO Abbreviation: Stat Methods Med Res Subsets: MEDLINE
Database: MEDLINE Ultimate
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        Value: 10.1177/09622802261427024
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        Text: English
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      – TitleFull: Asymptotic validity of Schoenfeld's sample size formula for the Cox proportional hazards model via the Wald test approach.
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              Text: 2026 Apr
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