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Cox proportional hazard model has very small hazard ratio, s.error and no CI
I estimate a Cox proportional model in Stata to see what covariates are associated with time to death. One of the covariates measure cormobidities and has 12 categories. One of the categories ("...
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What are easy steps of finding cutpoint in continuous variable with Time to event outcome, in Stata?
I find it painful to manually guess a dichotomized cutpoint predictor (continuous) for an time to event outcome in Simple Cox proportional hazard model.
Currently I was trying to find the cutpoint ...
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Different hazard ratios in Cox model, depending on which dummy is omitted?
I'm using a Cox survival analysis model in Stata. My covariates include a series of mutually-exclusive dummies. As in other regression models, I leave one out as a reference.
If I change the ...
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