I am using the validate option in the Design package with the Cox survival model.
I am using the bw=T option which, like the fastbw function, performs a backward elimination variable selection
The output includes a series of columns (below) giving information on eliminated variables.
My question is that I am unsure of the difference between the 2 p-values given (the one after Chi-Sq and the one after df)
This may be a gap in my statistics knowledge, hopefully I've not asked too silly a question, many thanks in advance

                Backwards Step-down - Original Model

 Deleted    Chi-Sq d.f. P      Residual d.f. P      AIC

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