search for: death_60_10

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2011 Mar 10
1
ANOVA for stratified cox regression
...sts in a stratified analysis, *>* right?* We have run into the same problem. In particular, we are running stratified coxph models, but we are not able to generate a Chisq probability for both models. > drop1(Model,test='Chisq') Single term deletions Model: Surv(adjusted_days_60, Death_60_10) ~ strata(chol_60) Df AIC LRT Pr(Chi) <none> 7437.6 strata(chol_60) 0 8513.2 1075.6 As you can see, why is the probability of the Chisq - i.e., Pr(Chi) - missing? [[alternative HTML version deleted]]