piecewise constant hazards

09:01 May 23, 2020
This question was closed without grading. Reason: Answer found elsewhere

Polish to English translations [PRO]
Medical - Mathematics & Statistics / clinical trials
Polish term or phrase: piecewise constant hazards
W planie analizy statystycznej badania klinicznego Całe zdanie: "The efficacy will be considered statistically significant if the posterior probability of hazard ratio
Iwona Gajko


Summary of answers provided
3ryzyka odcinkowo stałe
Frank Szmulowicz, Ph. D.
3przy równym stopniu zagrożeń
Kamila Ołtarzewska


  

Answers


3 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
ryzyka odcinkowo stałe


Explanation:
This must refer to hazards that change in stepwise fashion.

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Note added at 3 hrs (2020-05-23 12:42:40 GMT)
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A piecewise-constant approach for the transition intensities involves splitting [AL,AU] into small pieces, within which the transition intensities are assumed to be constant.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3602720/

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Like so
https://www.researchgate.net/profile/Nicolas_Smoll/publicati...
https://www.researchgate.net/publication/228446122_Relative_...
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Laaksonen et al. [8] proposed a parametric estimator based on a proportional hazards model with piecewise constant hazards (PCH). In this approach, follow-up time is partitioned into J prespecified intervals (0=a 0,a 1],(a 1,a 2],…,(a j−1,a j ],…,(a J−1,a J ], and the survival function at time t is estimated assuming a constant baseline hazard λ^0j=exp(α^j) in each j-th interval (a j−1,a j ], j=1,2,…,J as follows:
https://bmcmedresmethodol.biomedcentral.com/articles/10.1186...

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Figure 7.2 Approximating a Survival Curve Using a
Piece-wise Constant Hazard Function

https://data.princeton.edu/wws509/notes/pweplot.png
https://data.princeton.edu/wws509/notes/c7s4

Frank Szmulowicz, Ph. D.
United States
Local time: 16:54
Works in field
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 168
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10 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
przy równym stopniu zagrożeń


Explanation:
tzn. jeżeli wystąpią na niezmiennym poziomie we wszystkich odcinkach lub w tym samym stopniu


    https://www.diki.pl/slownik-angielskiego?q=piece-wise
    https://www.reverso.net/translationresults.aspx?lang=EN&direction=english-polish
Kamila Ołtarzewska
Poland
Local time: 21:54
Native speaker of: Polish
PRO pts in category: 8
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