(Circulation. 2007;115:109-113.)
© 2007 American Heart Association, Inc.
Statistical Primer for Cardiovascular Research |
From Massachusetts General Hospital Biostatistics Center and Institute for Health Policy (S.R.R.), and Massachusetts General Hospital Biostatistics Center, Department of Biostatistics, Harvard School of Public Health (D.A.S.), Boston, Mass.
Correspondence to Sowmya R. Rao, PhD, Massachusetts General Hospital, Biostatistics Center, 50 Staniford St, Suite 560, Boston, MA 02114. E-mail srrao@partners.org
Key Words: proportional hazards models Kaplan-Meiers estimate survival
An extract of the first 250 words of the full text is provided, because this article has no abstract. |
| Introduction |
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Survival distributions are usually described in terms of 2 functions: the survival function, S(t), defined as the probability that a person survives past a specified time t; and the hazard
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