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I am running Cox regression using age as time-scale. In my data, study participants enter at different ages (variable "age_entry" below). I want to accommodate participant-dependent entry time in my analysis. I know in R this is achieved by

coxph(Surv(age_entry, age_exit, event_status)

What is the proper way to do this using COXREG in in SPSS? I would think this is a fairly common situation and I refuse to believe SPSS cannot handle it although any information about this seems to be hard to find.

本文标签： Survival analysis and varying entry times in SPSSStack Overflow

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