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| RE: partykit: Identifying optimal values for a continuous variable using RPA [ Reply ] By: Achim Zeileis on 2019-11-26 21:39 | [forum:47195] |
| I'm not sure what this has to do specifically with ctree/partykit. But I'm not an expert in clinical survival studies, sorry. | |
| partykit: Identifying optimal values for a continuous variable using RPA [ Reply ] By: Srini Rajagopalan on 2019-11-26 21:23 | [forum:47193] RPA - hazard ratio.docx (8) downloads
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I would like to identify the optimal values of a continuous variable based on the hazard ratio using ctree as shown in the diagram. In the diagram shows hazard ratio of overall mortality according to time to treatment initiation. Hazard is at its lowest at 46 days and returns to baseline hazard at 73 days. It is from the following article. In addition, I would like to know how to repeat the above in, say, 100 times with random selection of 50% of the cohorts. Kompelli AR, LI H, Neskey DM. Impact of Delay in Treatment Initiation on Overall Survival in Laryngeal Cancers. Otolaryngology–Head and Neck Surgery 2019, Vol. 160(4) 651–657. |
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