Displaying 1 result from an estimated 1 matches for "3166876".
2010 Sep 08
4
coxph and ordinal variables?
...Prob > chi2 =
0.0440
------------------------------------------------------------------------------
_t | Haz. Ratio Std. Err. z P>|z| [95% Conf.
Interval]
-------------+----------------------------------------------------------------
_IHist_Gra~2 | 1.408166 .3166876 1.52 0.128 .9062001
2.188183
_IHist_Gra~3 | 1.69506 .3886792 2.30 0.021 1.081443
2.656847
_IHist_Gra~4 | 2.540278 .9997843 2.37 0.018 1.17455
5.49403
R Output using
> summary ( coxph( Surv(FFR_month,FFR_censor) ~ Hist_Grade_4grp,
method=c("breslo...