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st: comparing -ltable- and -sts list-
Dear Statalist members,
I had the impression that both -ltable- and -sts list- would list the
survivor function per failure period. However, they give slightly
different answers. In the example below, for drug3 -ltable- shows
survival at 24 months as 77.14%, whereas -sts list- says it's 64.29%
sysuse cancer.dta, clear
sts list, by(drug)
ltable _t died, by(drug)
Could anyone help me to clarify this?
--
Best wishes,
Michael McCulloch
Pine Street Foundation
124 Pine St., San Anselmo, CA 94960-2674
Tel: (415) 407-1357
Fax: (415) 485-1065
[email protected]
www.pinestreetfoundation.org
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