when p value is lower than 0.5, the most significant variables are removed? can you find out which variable is removed from a cox regression if you have a p-value greater than 0.05 how does backward selection work in a cox regression when a variable is removed from a model, the model is called what is the difference between a regression model and a cox regression model? what does the function of the backward selection mean in a cox regression? how to remove an explanatory variable from a cox regression model what is the significance of a variable when the selection of a variable is reversed? sas regression backward selection when does backward selection start why is an explanatory variable removed what is the difference between a cox model and a reverse selection what is the procedure for backward selection how to remove p value from regression model what is backward selection in sas regression why are variables in a cox regression discarded what is the difference between a problem variable and a cox variable in sas what variable is removed during backward selection how to remove a variable in a cox regression what is the difference between a backward selection and a forward selection