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Items for "Research design"

Establishing an International Reference Image Database for Research and Development in Medical Image Processing

INTRODUCTION: The lack of comparability of evaluation results is one of the major obstacles of research and development in Medical Image Processing (MIP)...

Keywords: Research design, health care quality assurance, diagnostic imaging, Computer-assisted image processing

01/2004 | Methods of Information in Medicine, Schattauer

Sample Selection for Microarray Gene Expression Studies

OBJECTIVES: The choice of biomedical samples for microarray gene expression studies is decisive for both validity and interpretability of results...

Keywords: Confounding, Gene expression profiling, biometry, Research design, selection bias, microarray studies

01/2005 | Methods of Information in Medicine, Schattauer

A Computer Program to Estimate Power and Relative Efficiency of Flexibly Matched Case-control Studies

Objectives: We recently introduced the concept of flexible matching strategies with varying proportions of a dichotomous matching factor among controls to increase power and efficiency of case-control studies...