All Questions
3 questions
0
votes
1
answer
337
views
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 ("...
1
vote
0
answers
321
views
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 ...
- 604
1
vote
1
answer
718
views
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 ...
