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Kaplan–Meier estimator

May 18th, 2012

 

Kaplan Meier estimator can be used not only in medical studies, but also in economics, ecology and engineering. In medical research it is often used to measure fraction of patients survive for certain amount of time after treatment. In ecology, it can be used to measure how long fleshy fruits remain on plants before they are removed by frugivores.In economics it is used to estimates length of time people remain unemployed after job loss. In analysis with SPSS, click on Analyze and then on survival. And then click on Kaplan Meier.

Mov Disord. 2012 May 3. doi: 10.1002/mds.24978. [Epub ahead of print]

Tricyclic antidepressants delay the need for dopaminergic therapy in early Parkinson’s disease.

Paumier KL, Siderowf AD, Auinger P, Oakes D, Madhavan L, Espay AJ, Revilla FJ, Collier TJ; for the Parkinson Study Group Genetics Epidemiology Working Group.

Kaplan-Meiercurves and time-dependent Cox proportional hazards models determined associations between depression severity and antidepressant use with the primary outcome, time to initiation of dopaminergic therapy.

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