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st: overlapping survival KM graphs

From   Silvia Lazzarelli <>
Subject   st: overlapping survival KM graphs
Date   Wed, 1 Oct 2008 16:10:49 +0200 (CEST)

I have to compare two Kaplan Meier graphs. I'm able to compare them side
by side. I Kindly ask you the STATA command to overlap them ( into 1 graph
with two different survival curves).
I save the two graphs as .gph files.
I'm using  STATA 9.
Thank you
best regards
Silvia Lazzarelli

Area di Ricerca Clinica Epidemiologica
Divisione di Medicina e Oncologia Medica
Azienda Ospedaliera Istituti Ospitalieri Cremona
Viale Concordia 1
26100 Cremona
tel. 0372/408035
fax. 0372/408214

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