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A statistical method for quantitative evaluation of the progression of chronic diseases: the mean score graph (MSG)
N Zilber1, O Manor, R Inzelberg
1C.N.R.S., Centre de Recherche Français de Jérusalem, Israel. Falk1@netvision.net.il
Statistics in Medicine
|November 20, 1998
Abstract:
We present a quantitative method of evaluation of the clinical course of chronic disease with long-term progressive deterioration. The method takes into account information on all patients, whatever their duration of follow-up. We present the 'mean score graph' as a descriptive device which is an extension of a survival graph. The description of progression of idiopathic torsion dystonia, comparing progression in males and females, is used as an example of the application. A test for group comparison is described.