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help for scoretest_cox
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Perform a score test on the coefficients of a Cox model

    scoretest_cox varlist

    scoretest_cox is for use after stcox; see help stcox.


Description

    After fitting a Cox model by using stcox, scoretest_cox performs a score
    test on the simultanous significance of the coefficients of the variables
    specified in varlist. It reports the value of the statistic for the test
    (to be compared with a chi2 distribution), as well as the degrees of
    freedom of the test and the p-value.


Examples

    Use the drugtr.dta dataset and run a Cox model with covariates drug and
    age
  
            . use http://www.stata-press.com/data/r10/drugtr

            . stcox drug age

    Perform a score test on the significance of the coefficient for variable
    drug

            . scoretest_cox drug

    Perform a score test on the simultaneous significance of the coefficients
    for variables drug and age

            . scoretest_cox drug age



References

    Klein, J.P. and M. L. Moeschberger.1997.  Survival Analysis. Techniques
        for Censored and Truncated Data.  New York, USA: Springer.

Author

        Isabel Canette, StataCorp LP
        icanette@stata.com

 
Also see

    Online:  help for stset, stcox

    Manual:  [ST] stset, [ST] stcox.