Office of Technology Transfer – University of Michigan

Central Pain-Specific Computer Adaptive Testing Algorithm for PROMIS Item Banks

Technology #5580

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David Williams
Managed By
Drew Bennett
Associate Director - Software Licensing 734-615-4004

Central Pain-specific Computer Adaptive Testing algorithm for PROMIS Item Banks Patient Reported Outcomes Measurement Information System (PROMIS), funded by NIH, is a system of reliable and responsive assessment tools that measure patient-reported health status. Its item banks are designed to be administered by computer adaptive testing (CAT), however, in a generic manner. A research group in the medical school of University of Michigan has reported an improved algorithm that uses the same item bank but adds significant precision to the measurement of clinically relevant aspects of fibromyalgia.

Precision Improvement for the Assessment of Fibromyalgia The improved algorithm for selecting PROMIS item was recalibrated based on item response theory, which was applied to several large patient samples (n