Obuchowski-Rockette analysis for multi-reader multi-case (MRMC) readers-nested-in-test study design with unequal numbers of readers.
- Resource Type
- Academic Journal
- Authors
- Hillis SL; Department of Radiology, University of Iowa, Iowa City, Iowa, U.S.A.; Soh BP; Health and Social Sciences Cluster, Singapore Institute of Technology, SIT@Dover, 10 Dover Drive, Singapore 138683.
- Source
- Publisher: SPIE, The International Society for Optical Engineering Country of Publication: United States NLM ID: 101524122 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0277-786X (Print) Linking ISSN: 0277786X NLM ISO Abbreviation: Proc SPIE Int Soc Opt Eng Subsets: PubMed not MEDLINE
- Subject
- Language
- English
- ISSN
- 0277-786X
The Obuchowski-Rockette method has been an important tool for analyzing multi-reader multi-case (MRMC) radiologic imaging data. Although the typical study design for such studies has been the factorial design, where each reader reads each case using each test (modality), sometimes a reader-nested-in-test design is more appropriate. We consider such an example in this talk, where 53 Australian and 15 Singaporean breast radiologists interpreted the same test in their respective locations. In this paper we show how the Obuchowski-Rockette method can be used for analysis of such data, without assuming that the number of readers is the same for each test.