help for scoretest_cox

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 .