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Developing international consensus on measures of improvement for patients with myositisFDA Center for Biologics Evaluation and Research, USA, lachenbruchpa{at}aol.com
National Institute of Environmental Health Sciences, USA
National Institute of Environmental Health Sciences, USA We discuss methods of developing consensus in measuring improvement in myositis. We consider selecting candidate variables, reliability and validity, percentage improvement/worsening rules, rules based on CART and logistic regression. We discuss criteria for determining an acceptable rule that include both numerical measures and physician acceptance.
Statistical Methods in Medical Research, Vol. 16, No. 1,
51-64 (2007) |
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