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Re: st: Plotting baseline hazard function with stcrreg


From   Steve Samuels <[email protected]>
To   [email protected]
Subject   Re: st: Plotting baseline hazard function with stcrreg
Date   Tue, 4 Mar 2014 17:51:37 -0500

To study cause-specific hazards, use -stcox-, followed by -stcurve- to plot the
smoothed hazards. Use -stcrreg- to plot cumulative incidence functions (CIFs)
for the competing risks.

http://www.stata.com/statalist/archive/2013-09/msg00194.html

The subdistribution hazards are primarily a device to easily compute the
competing risk CIFs; they have little substantive meaning in themselves. See
their definition in Fine and Gray (1999); also Latouch et al. (2013);  the
Manual entry for -stcrreg-, section on "stcrreg as an alternative to stcox"; and
Phil Clayton's post at:
http://www.stata.com/statalist/archive/2013-09/msg00194.html

Steve 
[email protected]


Fine, J. P., and R. J. Gray. 1999. A proportional hazards model for the
subdistribution of a competing risk. Journal of the American Statistical
Association 94: 496–509.

Latouche, A, A Allignol, J Beyersmann, M Labopin, and JP Fine. 2013. A competing
risks analysis should report results on all cause-specific hazards and
cumulative incidence functions. J Clin Epidemiol 66, no. 6: 648-653.




On Mar 4, 2014, at 9:05 AM, ROXANNE BEAUCLAIR <[email protected]> wrote:

Greetings Statalisters

I sent this email out a few weeks back but didn't get a response. I am
wondering why the use of stcurve after fitting a competing risks
model with stcrreg does not permit plotting of the baseline hazard
function; only of the baseline cumulative hazard function.

Is there a good reason for this?

Would it be a valid approach to approximate the hazard function by
differentiating the cumulative hazard function that stcurve provides
(by taking the pairwise differences)?

Many thanks in advance for your advice

-- 
Roxanne Beauclair MA, MPH, PhD Candidate
International Centre for Reproductive Health (ICRH)
Ghent University, Belgium
www.icrh.org

The South African Department of Science and Technology / National
Research Foundation (DST/NRF)
Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA)
Stellenbosch University, South Africa
www.sacema.com

Tel: +27 21 808 9236 (work)
Cell: +27 82 212 1621 (cell)
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